Alternative Energy Development - Green Energy Initiatives

Alternative energy grants fund renewable energy R&D, power systems upgrades, and grid modernization, supporting solar, wind, microgrids, battery storage, high-efficiency inverters, and electrification projects for utilities, manufacturers, and engineers, focused on decarbonization and smart grid.

What Are Alternative Energy Grants?

Grants that fund renewable power systems, grid upgrades, and storage for electrical engineering projects.

✅ Funds power electronics, inverters, and grid-integration R&D

✅ Supports microgrids, DERs, and smart grid reliability projects

✅ Covers feasibility studies, prototypes, and pilot deployments

Alternative energy grants - Wind, solar, geothermal and other alternative energy soures are the new "in" to replace forms of energy that harm the environment such as fossil fuels, so both Canadian and the U.S. governments are giving alternative energy grants (free conditional money) to individuals, businesses and local governments to promote the use and development of alternative energy sources. Here are three alternative energy grants currently offered by the U.S. government. For broader context on the field, the overview at what is alternative energy explains key terms and categories clearly.

Alternative Energy Grants - Energy Efficiency and Conservation Block Grant (EECBG) Program

These alternative energy grants help eligible entities in beginning their conservation and energy efficiency strategies. For those interested in applying for these alternative energy grants, they must have reduced their fossil fuel emissions, reduced total energy usage and improved energy efficiency within the company. Furthermore, those eligible must develop and implement an energy efficiency and conservation strategy with the assistance of a third-party technical consultant. Also, eligible entities must conduct regular residential and commercial building energy audits to monitor results and financial incentive programs (loan programs, rebate programs, waive permit fees) with the goal of improving energy efficiency must be in place. Other requirements are also required to be eligible for this alternative energy grant. To identify complementary rebates and policy tools, agencies can review alternative energy incentives relevant to their jurisdiction for alignment with EECBG goals.

Alternative Energy Grants - State Energy Program

Ultimately, provinces and states are expected to lower their overall fossil fuel carbon emissions so that the use of alternative energy sources can become more prevalent. Financial support, in whole or in part, may be provided for salaries, materials, and supplies, equipment, travel, publication costs, and services required for deployment of alternative energy activities and initiatives. The states energy program goes to competing states for funding to implement activities relating to a number of programmatic areas such as building codes and standards, alternative fuels, industrial efficiency, building efficiency, and alternative energy technologies. Many states layer alternative energy tax credits on top of SEP funds to catalyze private investment.

Alternative Energy Grants - Rural Energy for America Program (REAP)

The REAP program provides alternative energy grants to rural small businesses & agricultural producers for the purchase & installation of alternative energy systems in rural areas. Alternative energy grants are limited to 25 per cent of the project cost or $500,000 – whichever is less. Alternative energy grant applications of $20,000 or less are greatly favored in the competitive, selection process. Projects needing larger grants can improve their chances by simultaneously seeking a REAP guaranteed loan. For the loan seekers, the details are the same as the aforementioned alternative energy grant, but provides 60 to 85% per cent loan guarantees to commercial lenders financing such projects. Loans up to $25 million can be guaranteed. Combination grant and guaranteed loan assistance up to 75 per cent of total project cost; such “combo” proposals may improve a project’s access to grant assistance and speed approvals. Prospective applicants can benchmark typical capital and O&M figures using resources on alternative energy cost to prepare stronger pro formas.

Case studies of farm-scale solar, wind, and efficiency upgrades in the alternative energy projects library illustrate successful REAP financing structures.

Alternative Energy Grants - State Energy Special Projects

The State Energy Program aims to develop and deploy energy efficiency and alternative energy technologies and practices. The State Energy Program (SEP) makes it possible for states in the U.S. to design and carry out energy efficiency and alternative energy programs tailored to their State-specific needs, while contributing to national energy priorities. The State Energy Program enables the States to address both national energy initiatives and local energy priorities through two funding mechanisms: alterntive energy formula grants and Special Projects grants. States utilize these funds to design and implement energy projects tailored to meet community needs, economic conditions, individual energy situations, and climactic variations. SEP Special Projects funds are awarded on a competitive basis to States from each of the four end-use sectors (buildings, industrial, power technologies, and transportation) and the Federal Energy Management Program (FEMP) for cost-shared technology projects. Special Projects often accelerate alternative energy development by targeting pre-commercial demonstrations and regional testbeds.

For program designers seeking cross-sector approaches, curated alternative energy solutions can inform competitive proposals and stakeholder engagement plans.

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• Alternative Energy Channel

Alternative energy tax credits reduce CAPEX for solar PV, wind turbines, battery storage, EV charging, and high-efficiency HVAC, with IRS incentives, rebates, and depreciation accelerating power electronics upgrades and grid integration for clean energy projects.

What Are Alternative Energy Tax Credits?

Fiscal incentives lowering costs for EE-led renewable systems, backing PV, wind, storage, and grid modernization.

✅ Eligible assets: PV inverters, wind generators, BESS, EVSE

✅ Requires NEC, IEEE 1547, UL 1741, and interconnection compliance

✅ Boosts CAPEX ROI via ITC, PTC, MACRS, transferable credits

How can I earn money using alternative energy? New financial incentives are available to homeowners and businesses for a number of alternative energy and energy efficiency measures. For a broader overview of current programs, see the resource at alternative energy incentives which summarizes eligibility and timelines.

• Alternative energy tax credits for residential and commercial photovoltaics, solar water heating systems, geothermal heat pumps, and other renewable technologies.
• Alternative energy tax credits for homeowners for energy efficiency improvements to existing homes.
• Alternative energy tax credits for builders of highly efficient new homes.
• Alternative energy tax deductions for owners or designers of highly efficient commercial buildings.
• Alternative energy tax rebates for energy efficient appliances

   

  Alternative Energy Tax Credits Using Solar and Renewables For Residential Homes

  If you're new to the space, this concise primer on what is alternative energy helps frame the technologies covered in this section.

  For new and existing homes, alternative energy tax credit limitations have been removed by some country's governments for many alternative energy systems including geothermal heat pumps, solar water heaters, solar photovoltaics, small wind energy, fuel cells and microturbine systems. Qualified products can receive an alternative energy tax credit equal to 30 per cent of their cost. Many homeowners start by reviewing the latest renewable energy tax credits before requesting contractor quotes.

  Some examples of alternative energy tax credit qualified products are:

  When weighing options like PV and solar thermal, this overview of alternative energy solar power clarifies system types, site suitability, and typical payback periods.

• Solar water heating systems property certified by the Solar Rating and Certification Corporation (SRCC) which provide at least 50 per cent of the system demand.
• Photovoltaic systems which provide electric power for the residence.
• Wind energy systems which provide 100 kW or less electric power to the residence.
• Geothermal heat pumps which satisfy the ENERGY STAR criteria.
• Fuel cells with a capacity = 0.5 kW and efficiency = 30 per cent.
• Microturbines with a maximum capacity of 2,000 kW and a minimum efficiency of 26%.

  Alternative Energy Tax Credits For Existing Homes - Energy Efficiency

  To align upgrades strategically, compare technologies using this guide to renewable alternative energy so your efficiency measures complement future renewable additions.

  Qualified products receive an alternative energy tax credit of 30% of their cost, up to the $1,500 limit.

  Some examples of alternative energy tax credit qualified products are:

• Insulation material which meets 2009 IEEC and amendments.
• Exterior windows with SHGC = 0.30 and U-factor = 0.30.
• Exterior doors with SHGC = 0.30 and U-factor = 0.30.
• Furnaces using natural gas or propane with an AFUE = 95.
• Geothermal heat pumps (Not subject to $1,500 cap):
• Hot water boiler with natural gas, propane, or oil furnace and AFUE = 90 per cent.
• Advanced main air circulating fan used in natural gas, propane, or oil furnace that uses no more than 2% of the total annual energy use of the furnace.
• Water heater using natural gas, propane, or oil with EF = 0.82 or a thermal efficiency = 90%.
• Water heater using an electric heat pump with EF of 2.0 or greater.
• Biomass stoves with efficiency rating of at least 75 per cent and used to heat a home or heat water.

   

  Alternative Energy Tax Credits For Commercial Buildings

  Owners or tenants (or designers, in the case of publicly-owned buildings) of new or existing commercial buildings may qualify for a tax deduction of up to $1.80 per square foot. The buildings must be constructed or reconstructed to save at least 50 per cent of the heating, cooling, water heating, and interior lighting energy cost of a building that meets ASHRAE Standard 90.1-2001.

  Each of the three energy-using systems of the building — the envelope, interior lighting system, and heating and cooling system — is eligible for one third of the incentive ($0.60/ft) if it meets its share of the whole-building savings goal. Case studies of compliant facilities can be found among curated alternative energy projects that detail design choices and savings outcomes.

  Software meeting federal tax laws for accuracy and consistency determines projected energy savings. Third party inspectors review the plans and verify building parameters to determine compliance.

  Alternative Energy Tax Credits For Businesses

  The business investment tax credit varies from 10% to 30% depending upon they type of system installed. This alternative energy tax credit is possibly available to businesses that purchase solar water heaters, solar photovoltaics, small wind energy, geothermal heat pumps, fuel cells and microturbine systems.

  Combined Incentives For Alternative Energy Tax Credits

  In many cases, multiple tax incentives may be claimed. In the case of a new home for example, the builder may claim credit for the high efficiency home and the homeowner may claim tax credits for solar hot water, photovoltaic, and fuel cell systems. Other financial incentives, such as local utility rebates, further reduce the cost of building or owning a solar and energy efficient home. To supplement credits and rebates, many jurisdictions also offer targeted alternative energy grants that can further reduce upfront costs.

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• Alternative Energy Channel

Alternative Energy Solar Power converts sunlight via photovoltaics into electricity using PV modules, inverters, MPPT, and battery storage for grid-tied systems, microgrids, and off-grid resilience, improving efficiency, reliability, and decarbonization.

What Is Alternative Energy Solar Power?

A renewable electrical system converting solar irradiance to AC via PV modules, MPPT inverters, and optional storage.

✅ PV arrays generate DC; power electronics regulate voltage and current.

✅ Inverters with MPPT perform DC–AC conversion, grid sync, and protection.

✅ Battery storage and EMS enable peak shaving, backup, and microgrid control.

Alternative energy solar power is, perhaps, the first energy source that comes to mind when most people think of alternative energy sources, but — unlike wind — alternative energy solar power is still a long way from being considered a mainstream source of electricity generation. In fact, it accounts for less than one per cent of the world’s electricity production. For readers new to the topic, what is alternative energy clarifies key definitions and the role solar plays among emerging options.

Two main ways to harness the sun's energy to generate alternative energy solar power include: photovoltaic (PV), where solar cells directly convert sunlight into electricity, and solar-thermal power. PV is a proven alternative energy solar power technology that is most appropriate for small-scale applications to provide heat and power to individual houses and businesses. Sunlight falls on a layer of semiconductors, which excites electrons. This, in turn, creates an electrical current that can be transmitted via electrical cables to serve useful applications. Alternative energy solar power solar PV cells are already cost effective for powering houses and businesses in some regions. As with alternative energy wind power, costs have reduced in the past few years thanks to technological developments. But, unlike alternative energy wind power, however, large scale electricity production using alternative energy solar power costs about 22 cents per kilowatt-hour, significantly more expensive than its fossil fuel generation competitors and nuclear power. Comparative cost and performance data across technologies are summarized in alternative energy power, which details where PV is most competitive.

Solar-thermal energy is a completely different technology. It collects and concentrates the sun's rays to heat up fuel such glycol or any other liquid that heats up easily. The heat trapped within this medium is then used transferred through a heat exchanger so that heated water can be used for regular hot water applications like bathing and space heating and heating swimming pools, etc. Fossil fuels are sometimes used as a back-up to heat the water in the boiler if the sun is not shining and cannot heat the system. There are three different methods for concentrating the sun’s rays:

• Parabolic Trough — This method uses long, parallel rows of glass mirrors in the shape of a trough to concentrate the sun’s rays directly at the “absorber tube," which is often filled with oil, to achieve maximum effect.
• Power Tower — Similar in principle to parabolic-trough technology, the mirrors are placed in a circular pattern. At the center of the circle is a tower, at the top of which is a receiver filled with water, air, liquid metal or molten salt that moves to a power block and is used to power a steam turbine.
• Parabolic Disk System — In this system, dishes rather than troughs are used to concentrate the power of the sun.

To see how these concentrating approaches integrate with storage, controls, and grid interconnection, alternative energy systems offers design-level guidance for practitioners.

Advantages of Alternative Energy Solar Power

In spite of its cost versus other sources of energy, alternative energy solar power is attracting interest due to the following:

• Alternative energy solar power makes use of a renewable natural resource that is readily available in many parts of the world.
• The process used to generate alternative energy solar power is emission-free.
• Costs have greatly reduced thanks to technological advances in solar power technlogy to a point that it can compete with fossil fuel alternatives in specific circumstances.
• The technology is scalable in that it can be used for domestic heating purposes or on a larger scale for commercial electricity generation, as solar water heaters are an established technology, widely available and simple to install and maintain.

For a deeper dive into real-world performance benefits, case studies in advantages of solar power highlight emissions reductions and lifecycle savings.

Disadvantages of Alternative Energy Solar Power

The biggest barriers to increasing alternative energy solar power generation are the cost, the amount of land required for large-scale electricity production, and the intermittent nature of the energy source. In terms of the latter, thermal systems do not work at night or in inclement weather. Storage of hot water for commercial or domestic use is simple because only insulated tanks are needed, but further technology advancements are required to improve storage for the higher-temperature liquids required to generate electricity on a large scale and storage of the electricity itself. Emerging roadmaps in alternative energy solutions discuss thermal storage media and hybrid configurations that mitigate intermittency challenges.

Outlook for Alternative Energy Solar Power

Although alternative energy wind power is more economical and has been more widely adopted for large-scale power production than solar energy, solar energy is the most flexible in scale and application. It also is widely available and an environmentally benign source of alternative energy. Broader market drivers and renewable policy trends are tracked under renewable alternative energy, providing useful context for long-term solar adoption.

It is currently a $7 billion per year business that is growing at 40 per cent per annum. As part of the wider clean-energy portfolio, the taxonomy in forms of alternative energy situates solar alongside complementary technologies.

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Alternative energy incentives accelerate grid decarbonization via tax credits, rebates, net metering, and grants for solar, wind, storage, power electronics, microgrids, and smart grid upgrades, reducing LCOE and supporting EV charging infrastructure.

What Are Alternative Energy Incentives?

Incentives—tax credits, rebates, net metering—finance clean electrification, grid upgrades, and storage to cut costs.

✅ Lowers LCOE for solar PV, wind, and battery storage projects

✅ Supports grid modernization, smart inverters, and microgrid controls

✅ Enables EV charging, demand response, and power electronics R&D

Alternative energy incentives encourage companies to pursue non-fossil-fuel energy as a way to consume power. Different countries have different alternative energy incentive programs available for businesses and residences through country, state/province, or municipality levels. However, in this article, alternative energy incentives for business take the center focus. For background on definitions and technologies, see this overview of what constitutes alternative energy and typical market drivers.

In the U.S., two alternative energy incentives available are the investment tax credit and the production tax credit (both can be claimed on a taxpayer’s federal income tax return). A third incentive is a grant program that gives businesses opportunities to receive cash payments from the government for purchasing alternative energy property. Detailed federal and state guidance on credits is summarized in this resource on renewable energy tax credits for common project types.

The investment tax credit, the energy production tax credit or the federal energy grant cannot be claimed in tandem, meaning that a taxpayer can only choose one of these alternative energy incentives. Obviously care will need to be taken in deciding which alternative energy incentive will be best for a specific taxpayer.

Many businesses model total installed cost and depreciation using these alternative energy cost references before selecting an incentive.

While incentives are available They are available for both businesses and individuals; and they can be found at the federal, state and local levels, as well as with utility companies and product manufacturers. A concise primer on renewable alternative energy helps stakeholders align technologies with applicable programs.

1. Alternative Energy Incentives - Investment Tax Credit

A taxpayer can claim a tax credit equal to thirty percent of the cost of qualified eligible energy property placed in service. For credit calculations and eligibility nuances, consult this guide to alternative energy tax credits and common compliance pitfalls.

Property eligible for this alternative energy incentive are:

• Solar property,
• Geothermal property,
• Qualified fuel cell property,
• Stationary micro turbine property,
• Combined heat and power system property,
• Qualified small wind energy property, and
• Geothermal heat pump property

  The federal tax credit is not considered to be taxable income; however, the cost basis of the energy property will need to be reduced by one-half of energy credit claimed. The investment tax credit is also subject to an alternative minimum tax limitation. The credit cannot reduce a taxpayer’s regular tax below the taxpayer’s alternative minimum tax. Any unused credit can be carried back one year and forward twenty years. Case studies of successful deployments in solar, CHP, and wind are profiled among these alternative energy projects to illustrate basis and credit interactions.

  A percentage of the investment tax credit will have to be recaptured if the energy property is disposed of within five years of being placed in service.

2. Alternative Energy Incentives - Production Tax Credit

A taxpayer can claim a tax credit equal to a percentage (between .0075 cents and 2.1 cents per kilowatt hour) of energy generated from qualified energy resource property placed in service. The credit can be claimed for a ten year period starting with the date that the energy resource property is placed in service.

Eligible energy resources for this alternative energy incentive include:

• Geothermal or solar energy,
• Wind,
• Open-loop biomass,
• Closed-loop biomass,
• Marine and hydrokinetic renewable energy

   

• Small irrigation power,
• Qualified hydropower production, and,
• Municipal solid waste

  Unlike the investment tax credit, the cost basis of energy property does not have to be reduced by the production tax credit claimed. In addition, for facilities that generate electricity, there is no alternative minimum tax credit limitation for the first four years that a facility is placed in service.

  Similar to the investment tax credit, an unused energy credit can be carried back one year and forward twenty years.

3. Alternative Energy Incentives - Grant For Specific Energy Project Investments

This grant program offers cash payments to eligible taxpayers who place in service specific energy properties. Only taxpayers that are in a trade or business can qualify for this grant, which means that a residential energy-efficient property does not qualify. Application procedures and deadlines are outlined in these alternative energy grant resources for business applicants.

The grant is in lieu of the aforementioned alternative energy incentives, meaning that a taxpayer can apply for the grant or claim one of the business tax credits, but not both.

The following persons are not eligible to receive payment:

• Federal, state or local governments,
• Non-profit organizations,
• Cooperative electric companies.

   

  Property eligible for this alternative energy incentive are:

• Solar property,
• Geothermal property,
• Qualified fuel cell property,
• Stationary micro turbine property,
• Combined heat and power system property,
• Qualified small wind energy property, and
• Geothermal heat pump property

   

The cost basis on which the payment is based upon is its original cost and, which includes all costs. These costs, such as installation and cost of freight, are part of property’s depreciable basis.

The investment tax credit, which is similar to the above alternative energy incentive, the cost basis of the energy property has to be reduced by fifty percent of the grant received. In addition, to the extent that specified energy property is disposed of within five years of being placed in service a percentage of the grant will need to be recaptured.

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Alternative energy power drives renewable grids using solar PV, wind turbines, and hydroelectric sources, optimized by power electronics, inverters, battery storage, and microgrids for efficient, resilient distribution and grid integration.

What Is Alternative Energy Power?

Alternative energy power delivers renewable power using electronics, storage and controls for efficient grids.

✅ Power electronics: MPPT inverters, VSCs, and converters

✅ Grid integration: protection, stability, and harmonics

✅ Storage: Li-ion, BESS sizing, EMS, frequency response

What alternative energy power technologies will make the largest impact? Alternative energy technologies have progressed so much in the past decade. However, some studies are starting to show that conventional power sources (such as fossil fuels and natural gas) will continue to have the lion's share of the world's energy mix for the next two decades. One study, conducted by the Boston Consulting Group, reports that forms of alternative energy power sources, such as wind power, will continue to provide smaller amounts of alternative energy power generation while other alternative energy power sources are ready to make a huge economic impact. Who? Let's take a look at the sources and their technologies. For readers new to the topic, this overview of what is alternative energy provides helpful context and definitions.

Alternative Energy Power - Solar Photovoltaic Technology

The BCG study predicts that solar PV (photovoltaic) will reach its cost competitiveness by 2015 to 2020 in the sunny regions of the world. However, the intermittency of PV's energy generation won't reach its full potential until technology breakthroughs are made in energy storage.

For practical insights, see how solar power in alternative energy is being deployed across different regions today.

Taking a look back into the last five years, it's clear that solar PV has significantly grown (up from 1.1 gigawatts in 2004 to 7.3 gigawatts in 2009, which is a 46 per cent annual increase). Today, solar panels are divided into two applications. Individual or small groups of panels can be used for distributed solar generation and larger groups of panels can be used to create utility-scale projects (also known as solar farms.) The underlying economics of the two applications are not that different, although solar farms can produce electricity at cheaper rates. Comparative data on renewable power generation helps benchmark PV performance against other resources.

Alternative Energy Power - Concentrated Solar Power Technology

Concentrated solar power (CSP) is another alternative energy power technology that is on its way to becoming a cost-competitive option - and soon (between 2015 and 2020). The beauty of this alternative energy power technology is that it can provide on-demand power through cost-effective thermal storage. Limitations to infrastructure and deployment barriers are significant, but surmountable.

Understanding the spectrum of renewable power sources clarifies where CSP complements wind and PV.

The generation potential of this alternative energy power solar resource over land is more than 100 times the total global demand for electricity. Solar energy without storage capacity technologies, such as thermal storage or hybrid solar-natural gas configuration, isn't reliable enough to be a sustainable energy source. However, CSP allows solar energy to play a larger part in the global electricity market and puts the alternative energy power source ahead of its alternative energy power counterparts. This perspective aligns with broader trends in renewable alternative energy adoption as grids adapt with storage and hybridization.

CSP is still small in terms of global power-generation capacity, but installed GSP capacity is expected to rise eightfold from 2009 (roughly one gigawatt) through 2015 (to more than eight gigawatts). Costs must drop for this alternative energy power technology to reach its full potential.

Cost curves are also influenced by policy and financing innovations within alternative energy solutions that scale deployment efficiently.

Alternative Energy Power - Smart-Grid Technologies

Many alternative energy power sources are capped due to their intermittent nature, but technologies like smart grid helps to accelerate their growth in the global energy marketplace.

A comprehensive view of the many forms of alternative energy underscores why flexibility is essential for balancing supply and demand.

By definition, a "smart grid" is a collection of equipment, infrastructure and information technologies designed to optimize the production, transmission and usage of electricity.

Incentives for smart-grid technologies include utility cost reduction, generation optimization and intelligent demand-response management. Smart-grid technologies improve the ability to integrate distributed generation and the ability to implement demand-response programs in intermittent energy sources such as wind energy and solar energy. Both factors are key enablers to expanding deployment in solar PV and wind technologies.

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Alternative energy fuels drive renewable power systems, integrating hydrogen, biofuels, and electricity with power electronics, smart grids, and energy storage for efficient conversion, decarbonization, and resilient distribution across modern electrical networks.

What Are Alternative Energy Fuels?

Alternative energy fuels are renewables—hydrogen, biofuels, electricity—supporting conversion and smart grid integration

✅ Power electronics convert DC/AC and manage grid-tied renewables.

✅ Fuel cells and hydrogen storage integrate with microgrids.

✅ Battery systems and EMS stabilize variable solar and wind.

Alternative energy fuels can help reduce harmful greenhouse gas emissions produced from traditional gasoline or diesel fuels. Using alternative energy fuels means that you might have to change your conventional vehicle in for a more environmentally-friendly ride. Is this true? Let's find out. To start, a quick primer on what alternative energy is can clarify terms and set expectations in practical terms.

Alternative Energy Fuels - Battery-electric Vehicles

Your first option is battery-electric vehicles (BEVs), which powered by motors that draw electricity from on-board storage batteries. These batteries act as an engine to propel the motor. Using electric vehicles presents a great potential to reduce greenhouse gas (GHG) emissions and smog-forming pollutants because pollution isn't produced from the tailpipe or through fuel evaporation. The vehicles can also have low overall (life-cycle) GHG emissions depending on the electricity source used to recharge the batteries. This option would require you to say goodbye to your conventional vehicle. When charged from renewable energy sources, BEVs can further minimize lifecycle emissions and operating costs.

Alternative Energy Fuels - Hybrid-electric Vehicles

If you don't necessarily want to give up your conventional vehicle, but still want the environmental and energy benefits of electric vehicles, then hybrid electric vehicles (HEVs) are your best option. HEVs are made up of a battery powered electric motor with combined with a conventional internal combustion engine. Instead of paying outrageous gas prices every time your gas tank nears the empty mark, a rapid refueling option recharges your conventional vehicle. If this alternative energy fuel option appeals to you then you'll be glad to know that many hybrid vehicle models are already widely available on the market, with many more manufacturers planning on introducing new hybrid electric/gasoline vehicles in the next few years. Many buyers also view HEVs as pragmatic alternative energy solutions that ease the transition away from full reliance on gasoline.

Alternative Energy Fuels - Fuel Cells and Hydrogen

If you are using a portable or a stationary power device, then fuel cells might be the ideal option for you. Electricity is generated in fuel cells electrochemically when hydrogen and oxygen are combined. Fuel Cells can produce zero or very low emissions depending on the source of the hydrogen. These energy-conversion devices can also utilize hydrogen and other fuels and, in the future, might be used for transportation applications. This alternative energy fuel source is also an option for vehicles and prototypes for hydrogen fuel cell vehicles that are currently in the works. But, unfortunately, barriers exist. A lack of a hydrogen distribution infrastructure has made it difficult for this alternative energy fuel source to move ahead. Also, costs are high for fuel cells and hydrogen-production technologies and there are challenges related to hydrogen storage. However, fuel cells are a viable energy technology that can offer significant environmental, supply, economic and energy efficiency benefits because of the variety of fuels available for conversion to hydrogen. This pathway fits within the spectrum of alternative energy sources, each with distinct infrastructure and cost considerations.

For a broader perspective on where hydrogen, electricity, and fuels like bioenergy fit, explore the major forms of alternative energy and how they complement one another across sectors.

Alternative Energy Fuels - Ethanol

When scientist Dr. Emmett "Doc" Brown used food to add fuel to his gas tank in the famous ‘80s flick, Back To The Future 2, he must have been thinking of ethanol, a liquid alcohol made of oxygen, hydrogen and carbon obtained from the fermentation of sugar or converted starch contained in grains and other agricultural or agri-forest feedstocks. Using fuel ethanol (or gasohol, which means that the alternative energy fuel source is distilled and dehydrated to create a high-octane, water-free alcohol) might one day be a viable alternative energy fuel source. However, oral consumption is unadvised because this alternative energy fuel is made unfit for drinking when a small amount of a noxious substance such as gasoline is added. In order for fuel ethanol to work as an effective alternative energy fuel source, all traces of water must be removed because water and alcohol combined cannot dissolve in gasoline. Further research into technology to produce ethanol from non-food sources is quickly moving this alternative energy fuel source toward commercialization. Because many feedstocks derive from crops and residues, ethanol often intersects with biomass energy pathways and agricultural policy.

Alternative Energy Fuels - Biodiesel

Conventional diesel combustion harms the environment, but biodiesel combusts better with a higher cetane rating that produces fewer life cycle greenhouse gas emissions (GHG). This alternative energy fuel source is a non-toxic and biodegradable fuel that comes from vegetable oils, animal fats, waste cooking oil, or tall oil (a by-product from pulp and paper processing). Biodiesel is made from these feedstocks through transesterification, a process that reacts the oil with an alcohol (methanol is usually used, but so can ethanol) and a catalyst (eg. sodium hydroxide). Glycerine, an ester called biodiesel, is produced from this chemical reaction. Most biodiesel is generated using this method. In practice, successful biodiesel programs are often part of broader renewable alternative energy strategies that leverage regional feedstocks and local distribution.

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