Can food waste be turned into green hydrogen to produce electricity?


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Food Waste to Green Hydrogen uses biological production to create clean energy, enabling waste-to-energy, decarbonization, and renewable hydrogen for electricity, industrial processes, and transport fuels, developed at Purdue University Northwest with Purdue Research Foundation licensing.

 

Key Points

A biological process converting food waste into renewable hydrogen for clean energy, electricity, industry, and transport.

✅ Enables rapid, scalable waste-to-hydrogen deployment

✅ Supports grid power, industrial heat, and mobility fuels

✅ Backed by patents, DOE grants, and licensing deals

 

West Lafayette, Indiana-based Purdue Research Foundation recently completed a licensing agreement with an international energy company – the name of which was not disclosed – for the commercialization of a new process discovered at Purdue University Northwest (PNW) for the biological production of green hydrogen from food waste. A second licensing agreement with a company in Indiana is under negotiation.


Food waste into green hydrogen
Researchers say that this new process, which uses food waste to biologically produce hydrogen, can be used as a clean energy source for producing electricity, as well as for chemical and industrial processes like green steel production or as a transportation fuel.

Robert Kramer, professor of physics at PNW and principal investigator for the research, says that more than 30% of all food, amounting to $48 billion, is wasted in the United States each year. That waste could be used to create hydrogen, a sustainable energy source alongside municipal solid waste power options. When hydrogen is combusted, the only byproduct is water vapor.

The developed process has a high production rate and can be implemented quickly to support large H2 energy systems in practice. The process is robust, reliable, and economically viable for local energy production and processes.

The research team has received five grants from the US Department of Energy and the Purdue Research Foundation totaling around $800,000 over the last eight years to develop the science and technology that led to this process, much like advances in advanced nuclear reactors drive clean energy innovation.

Two patents have been issued, and a third patent is currently in the final stages of approval. Over the next nine months, a scale-up test will be conducted, reflecting how power-to-gas storage can integrate with existing infrastructure. Based upon test results, it is anticipated that construction could start on the first commercial prototype within a year.

Last week, a facility designed to turn non-recyclable plastics into green hydrogen was approved in the UK, as other innovations like the seawater power concept progress globally. It is the second facility of its kind there.

 

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Is it finally time to buy an electric car?

Electric Vehicles deliver longer range, faster charging, and broader price options, with incentives and lease deals reducing costs; evaluate performance, home charging, road trip needs, and vehicle types like SUVs, pickups, and vans.

 

Key Points

Electric vehicles are battery-powered cars that cut costs, boost performance, and charge at home or at fast stations.

✅ Longer range and faster charging reduce range anxiety

✅ Lower operating costs vs gas: fuel, maintenance, incentives

✅ Home Level 2 charging recommended; plan for road trips

 

Electric cars now drive farther, charge faster and come in nearly every price range. But when GMC began promoting its Hummer EV pickup truck to be released this year, it became even clearer that electric cars are primed to go mainstream for many buyers.

Once the domain of environmentalists, then early adopters, electric vehicles may soon have even truck bros kicking the gasoline habit, though sales are still behind gas cars in many markets.

With many models now available or coming soon — and arriving ahead of schedule for several automakers — including a knockoff of the lovable Volkswagen Microbus — you may be wondering if it’s finally time to buy or lease one.

Here are the essential questions to answer before you do.

(Full disclosure: I’m a convert myself after six years and 70,000 gas-free miles.)


1. Can you afford an electric car?
Electric vehicles tend to be pricy to buy but can be more affordable to lease. Finding federal, state and local government incentives can also reduce sticker shock. And, even if the monthly payment is higher than a comparable gas car, operating costs are lower.

Gas vehicles cost an average of $3,356 per year to fuel, tax and insure, while electric cost just $2,722, according to a study by Self Financial, and Consumer Reports finds EVs save money in the long run too. Find out how much you can save with the Department of Energy calculator.

 

2. How far do you need to drive on a single charge?
Although almost 60 percent of all car trips in America were less than 6 miles in 2017, according to the Department of Energy, the phrase “range anxiety” scared many would-be early adopters.

Teslas became popular in part because they offered 250 miles of range. But the range of many electric vehicles between charges is now over 200 miles; even the modestly priced Chevrolet Bolt can travel 259 miles on a single charge.

Still, electric vehicles have a “road trip problem,” according to Josh Sadlier, director of content strategy for car site Edmunds.com. “If you like road trips, you almost have to have two cars — one for around town and one for longer trips,” he says.

 

3. Where will you charge it?
If you live in an apartment without a charging station, this could be a deal breaker.

The number of public chargers increased by 60 percent worldwide in 2019, according to the International Energy Agency. While these stations — some of which are free — are more available, most electric vehicle owners install a home station for faster charging.

Electric vehicles can be charged by plugging into a common 120-volt household outlet, but it’s slow, and understanding charging costs can help you plan home use. To speed up charging, many electric vehicle owners wind up buying a 240-volt charging station and having an electrician install it for a total cost of $1,200, according to the home remodeling website Fixr.

4. What will you use the car for?
While there are a few luxury electric SUVs on the market, most electric vehicles are smaller sedans or hatchbacks with limited cargo capacity. However, the coming wave of electric cars are more versatile, and many experts expect that within a decade these options will be commonplace, including vans, such as the Microbus, and trucks, such as an electric version of the popular Ford F-150 pickup.

5. Do you enjoy performance?
This is where electric vehicles really shine. According to automotive experts, electric cars beat their gas counterparts in these ways:

Immediate response with great low-end acceleration, particularly in the 0-30 mph range.
Sure-footed handling due to the heavy battery mounted under the car, giving it a low center of gravity.
No “shift shock” from changing gears in a conventional gas car’s transmission.
Little noise except from the wind and tires.

 

Other factors
Once you consider the big questions, here are other reasons to make an electric car your next choice:

Reduced environmental guilt. There is a persistent myth that electric vehicles simply move the emissions from the tailpipe to the power generating station. Yes, producing electricity produces emissions, but many electric vehicle owners charge at night when much of the electricity would otherwise be unused. According to research published by the BBC and evidence that they are better for the planet in many scenarios electric cars reduce emissions by an average of 70 percent, depending on where people live.

Less time refueling. It takes only seconds to plug in at home, and the electric vehicle will recharge while you’re doing other things. No more searching for gas stations and standing by as your tank gulps down gasoline.

No oil changes. Dealers like a constant stream of drivers coming in for oil changes so they can upsell other services. Electric vehicles have fewer moving parts and require fewer trips to the dealership for maintenance.

Carpool lanes and other perks. Check your state regulations to see if an electric vehicle gets you access to the carpool lane, free parking or other special advantages.

Enjoy the technology. Yes, electric vehicles are more expensive, but they also tend to offer top-of-the-line comfort, safety features and technology compared with their gas counterparts.

 

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Opinion | Why Electric Mail Trucks Are the Way of the Future

USPS Electric Mail Trucks promise zero-emission delivery, lower lifecycle and maintenance costs, and cleaner air. Congressional funding in Build Back Better would modernize the EV fleet and expand charging infrastructure, improving public health nationwide.

 

Key Points

USPS Electric Mail Trucks are zero-emission delivery vehicles that cut costs, reduce pollution, and improve health.

✅ Lower lifetime fuel and maintenance costs vs gas trucks

✅ Cuts greenhouse gas and NOx emissions in communities

✅ Expands charging infrastructure via federal investments

 

The U.S. Postal Service faces serious challenges, with billions of dollars in annual losses and total mail volume continuing to decline. Meanwhile, Congress is constantly hamstringing the agency.

But now lawmakers have an opportunity to invest in the Postal Service in a way that would pay dividends for years to come: By electrifying the postal fleet.

Tucked inside the massive social spending and climate package lumbering through the Senate is money for new, cleaner postal delivery trucks. There’s a lot to like about electric postal trucks. They’d significantly improve Americans’ health while also slowing climate change. And it just makes sense for taxpayers over the long term; the Postal Service’s private sector competitors have already made similar investments, as EV adoption reaches an EV inflection point in the market. As Democrats weigh potential areas to cut in President Joe Biden’s Build Back Better plan, this is one provision that should escape the knife.

To call the U.S. Postal Service’s current vehicles “clunkers” would be an understatement. These often decades-old trucks are famous for having no airbags, no air conditioning and a nasty habit of catching fire. So the Postal Service’s recent decision to buy 165,000 replacement trucks is basically a no-brainer. But the main question is whether they will run on electricity or gasoline.

Electric vehicles are newer to the market and still carry a higher sticker price, as seen with electric bus adoption in many cities. But that higher price buys concrete benefits, like lower lifetime fuel and maintenance costs and huge reductions in pollution. Government demand for electric trucks will also push private markets to create better, cheaper vehicles, directly benefiting consumers. So while buying electric postal trucks may be somewhat more costly at first, over the long term, failing to do so could be far costlier.

At some level, this is a straightforward business decision that the Postal Service’s competitors have already made. For instance, Amazon has already deployed some of the 100,000 electric vans it recently ordered, and FedEx has promised a fully electric ground fleet by 2040, while nonprofit investment in electric trucks is accelerating electrification at major ports. In a couple of decades, the Postal Service could be the only carrier still driving dirty gas guzzlers, buying expensive fuel and paying the higher maintenance costs that combustion engines routinely require. Consumers could flock to greener competitors.

Beyond these business advantages, zero-emission vehicles carry other big benefits for the public. The Postal Service recently calculated some of these benefits by estimating the climate harms that going all-electric would avoid, benefits that persist even where electricity generation still includes fossil-generated electricity in nearby grids. Its findings were telling: A fully electric fleet would prevent millions or tens of millions of dollars’ worth of climate-change-related harms to property and human health each year of the trucks’ lifetimes (and this is probably a considerable underestimate). The world leaders that recently gathered at the global climate summit in Glasgow encouraged exactly this type of transition toward low-carbon technologies.

A cleaner postal fleet would benefit Americans in many other important ways. In addition to warming the planet, tailpipe pollutants can have dire health consequences for the people who breathe in the fumes. Mail trucks traverse virtually every neighborhood in the country and often must idle in residential areas, so we all benefit when they stop emitting. And these localized harms are not distributed equally. Some parts of the country — too often, low-income communities of color — already have poor air quality. Removing pollution from dirty mail trucks will especially help these overburdened and underserved populations.

The government’s purchasing power also routinely inspires companies to devise better and cheaper ways to do business. Investments in aerospace technologies, for instance, have spilled over into consumer innovations, giving us GPS technologies and faster, more fuel-efficient passenger jets. Bulk demand for cleaner trucks could inspire similar innovations as companies clamor for government contracts, meaning we all could get cheaper and better green products like car batteries, and the American EV boom could further accelerate those gains.

Additionally, because postal trucks are virtually everywhere in the country, if they go electric, that would mean more charging stations and grid updates everywhere too, and better utility planning for truck fleets to ensure reliable service. Suddenly, that long road trip that discourages many would-be electric car buyers may be simpler, which could boost electric vehicle adoption.

White House climate adviser Gina McCarthy talks with EVgo CEO Cathy Zoi before the start of an event near an EVgo electric car charging station.
ENERGY

The case for electrifying the postal fleet is strong from both a business and a social standpoint. Indeed, even Postmaster General Louis DeJoy, who was appointed during the Trump administration, supports it. But getting there is not so simple. Most private businesses could just borrow the money they need for this investment and pay it back with the long-term savings they would enjoy. But not the Postal Service. Thanks to its byzantine funding structure, it cannot afford electric trucks’ upfront costs unless Congress either provides the money or lets it borrow more. This is the primary reason it has not committed to making more than 10 percent of its fleet electric.

And that returns us to the Build Back Better legislation. The version passed by the House sets aside $7 billion to help the Postal Service buy electric mail trucks — enough to electrify the vast majority of its fleet by the end of the decade.

Biden has made expanding the use of electric vehicles a top priority, setting an ambitious goal of 100 percent zero-emission federal vehicle acquisitions by 2035, and new EPA emission limits aim to accelerate EV adoption. But Sen. Joe Manchin has expressed resistance to some of the climate-related subsidies in the legislation and is also eager to keep costs down. This provision, however, is worthy of the West Virginia Democrat’s support.

Most Americans would see — and benefit from — these trucks on a daily basis. And for an operation that got its start under Benjamin Franklin, it’s a crucial way to keep the Postal Service relevant.

 

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Nevada to Power Clean Vehicles with Clean Electricity

Nevada EV Charging Plan will invest $100 million in highway, urban, and public charging, bus depots, and Lake Tahoe sites, advancing NV Energy's SB 448 goals for clean energy, air quality, equity, and tourism recovery.

 

Key Points

Program invests $100M in EV infrastructure under SB 448, led by NV Energy, expanding clean charging across Nevada.

✅ $100M for statewide charging over 3 years

✅ 50% invested in overburdened communities

✅ Supports SB 448, climate and air quality goals

 

The Public Utilities Commission of Nevada approved a $100 million program that will deploy charging stations for electric vehicles (EVs) along highways, in urban areas, at public buildings, in school and transit bus depots, and at Red Rocks and Lake Tahoe, as charging networks compete to expand access. Combined with the state's clean vehicle standards and its aggressive renewable energy requirements, this means cars, trucks, buses, and boats in Nevada will be powered by increasingly clean electricity, reflecting how electricity is changing across the country.

The “Economic Recovery Transportation Electrification Plan” proposed by NV Energy, aligning with utilities' bullish plans for EV charging, was required by Senate Bill (SB) 448 (Brooks). Nevada’s tourism-centric economy was hit hard by the pandemic, and, as an American EV boom accelerates nationwide, the $100 million investment in charging infrastructure for light, medium, and heavy-duty EVs over the next three years was designed to provide much needed economic stimulus without straining the state’s budget.

Half of those investments will be made in communities that have borne a disproportionate share of transportation pollution and have suffered most from COVID-19—a disease that is made more deadly by exposure to local air pollution—and, amid evolving state grid challenges that planners are addressing, ensuring equitable deployment will help protect reliability and health.

SB 448 also requires NV Energy to propose subsequent “Transportation Electrification Plans” to keep the state on track to meet its climate, air quality, and equity goals, recognizing that a much bigger grid may be needed as adoption grows. A  report from MJ Bradley & Associates commissioned by NRDC, Southwest Energy Efficiency Project, and Western Resource Advocates demonstrates Nevada could realize $21 billion in avoided expenditures on gasoline and maintenance, reduced utility bills, and environmental benefits, with parallels to New Mexico's projected benefits highlighted in recent analyses, by 2050 if more drivers make the switch to EVs.

 

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Massachusetts Issues Energy Storage Solicitation Offering $10M

Massachusetts Energy Storage Solicitation offers grants and matching funds via MassCEC and DOER for grid-connected, behind-the-meter projects, utility partners, and innovative business models, targeting 600 MW, clean energy leadership, and ratepayer savings.

 

Key Points

MassCEC and DOER matching-fund program for grid-connected storage pilots, advancing innovation and ratepayer savings.

✅ $100k-$1.25M matching funds; 50% cost share required

✅ Grid-connected, utility-partnered and behind-the-meter eligible

✅ 10-15 awards; proposals due June 9; install within 18 months

 

Massachusetts released a much-awaited energy storage solicitation on Thursday offering up to $10 million for new projects.

Issued by the Massachusetts Clean Energy Center (MassCEC) and the Department of Energy Resources (DOER), the solicitation makes available $100,000 to $1.25 million in matching funds for each chosen project.

The solicitation springs from a state report issued last year that found Massachusetts could save electricity ratepayers $800 million by incorporating 600 MW of energy storage projects. The state plans to set a specific energy storage goal, now the subject of a separate proceeding before the DOER.

The state is offering money for projects that showcase examples of future storage deployment, help to grow the state’s energy storage economy, and contribute to the state’s clean energy innovation leadership.

MassCEC anticipates making about 10-15 awards. Applicants must supply at least 50 percent of total project cost.

The state is offering money for projects that showcase examples of future storage deployment, help to grow the state’s energy storage economy, and contribute to the state’s clean energy innovation leadership.

MassCEC anticipates making about 10-15 awards. Applicants must supply at least 50 percent of total project cost.

The state plans to allot about half of the money from the energy storage solicitation to projects that include utility partners. Both distribution scale and behind-the-meter projects, including net-zero buildings among others, will be considered, but must be grid connected.

The solicitation seeks innovative business models that showcase the commercial value of energy storage in light of the specific local energy challenges and opportunities in Massachusetts.

Projects also should demonstrate multiple benefits/value streams to ratepayers, the local utility, or wholesale market.

And finally, projects should help uncover market and regulatory issues as well as monetization and financing barriers.

The state anticipates teams forming to apply for the grants. Teams may include public and private entities and are are encouraged to include the local utility.

Proposals are due June 9. The state expects to notify winners September 8, with contracts issued within the following month. Projects must be installed within 18 months of receiving contracts.

 

 

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Ontario Making it Easier to Build Electric Vehicle Charging Stations

Ontario EV Charger Streamlining accelerates public charging connections with OEB-led standardized forms, firm timelines, and utility coordination, leveraging Ontario’s clean electricity grid to expand reliable infrastructure across urban, rural, and northern communities.

 

Key Points

An OEB-led, provincewide procedure that standardizes EV charger connections and accelerates public charging.

✅ Standardized forms, data, and responsibilities across 58 utilities

✅ Firm timelines for studies, approvals, and grid connection upgrades

✅ Supports rural, northern, highway, and community charging expansion

 

The Ontario government is making it easier to build and connect new public electric vehicle (EV) chargers to the province’s world-class clean electricity grid. Starting May 27, 2024, all local utilities will follow a streamlined process for EV charging connections that will make it easier to set up new charging stations and, as network progress to date shows, support the adoption of electric vehicles in Ontario.

“As the number of EV owners in Ontario continues to grow, our government is making it easier to put shovels in the ground to build the critical infrastructure needed for drivers to charge their vehicles where and when they need to,” said Todd Smith, Minister of Energy. “This is just another step we are taking to reduce red tape, increase EV adoption, and use our clean electricity supply to support the electrification of Ontario’s transportation sector.”

Today, each of Ontario’s 58 local electricity utilities have different procedures for connecting new public EV charging stations, with different timelines, information requirements and responsibilities for customers.

In response to Minister Smith’s Letter of Direction, which called on the Ontario Energy Board (OEB) to take steps to facilitate the efficient integration of EV’s into the provincial electricity system, including vehicle-to-building charging applications, the OEB issued provincewide, streamlined procedures that all local utilities must follow for installing and connecting new EV charging infrastructure. This new procedure includes the implementation of standardized forms, timelines, and information requirements which will make it easier for EV charging providers to deploy chargers in all regions of the province.

“Our government is paving the way to an electric future by building the EV charging infrastructure drivers need, where they need it,” said Prabmeet Sarkaria, Minister of Transportation. “By increasing the accessibility of public EV charging stations across the province, including for rural and northern communities, we are providing more sustainable and convenient travel options for drivers.”

“Having attracted over $28 billion in automotive investments in the last three years, our province is a leading jurisdiction in the global production and development of EVs,” said Vic Fedeli, Minister of Economic Development, Job Creation and Trade. “By making it easier to build public charging infrastructure, our government is supporting Ontario’s growing end-to-end EV supply chain and ensuring EV drivers can confidently and conveniently power their journeys.”

This initiative is part of the government’s larger plan to support the adoption of electric vehicles and make EV charging infrastructure more accessible, which includes:

  • The EV ChargeON program – a $91 million investment to support the installation of public EV chargers, including emerging V1G chargers to support grid-friendly deployment, outside of Ontario’s large urban centres, including at community hubs, Ontario’s highway rest areas, carpool parking lots, and Ontario Parks.
  • The new Ultra-Low Overnight price plan which allows customers who use more electricity at night, including those charging their EV, to save up to $90 per year by shifting demand to the ultra-low overnight rate period when provincewide electricity demand is lower and to participate in programs that let them sell electricity back to the grid when appropriate.
  • Making it more convenient for electric vehicle (EV) owners to travel the province with EV fast chargers now installed at all 20 renovated ONroute stations along the province’s busiest highways, the 400 and 401.

The initiative also builds on the government’s Driving Prosperity: The Future of Ontario’s Automotive Sector plan which aims to create a domestic EV battery ecosystem in the province, expand energy storage capacity, and position Ontario as a North American automotive innovation hub by working to support the continued transition to electric, low carbon, connected and autonomous vehicles.

 

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US renewable energy hit record 28% in April.

U.S. Renewable Energy Record 28% signals a cleaner power grid as wind, solar, and hydroelectric output soar; EIA data shows cost-competitive clean energy reshaping the electricity mix and reducing carbon emissions across regions.

 

Key Points

EIA-reported April share of electricity from wind, solar, and hydro, reflecting cost-driven growth in U.S. clean power.

✅ Wind, solar additions dominated recent U.S. capacity buildouts

✅ Lower levelized costs make renewables most competitive

✅ Seasonal factors and outages lowered fossil and nuclear output

 

The amount of electricity generated by renewable resources hit a record 28% in April, a breakthrough number that shows how important renewable energy has become in U.S. energy markets as it surpassed coal in 2022 overall.

"It's a 'Wow' moment," said Peter Kelly-Detwiler, an energy analyst and author of "The Energy Switch," a recent book about the transition to a carbon-free energy economy.

The percentage of U.S. electricity produced by renewable energy from wind, solar and hydroelectric dams has been steadily rising, from 8.6% in April 2001 to this April's 28%. Those numbers were released this week by the U.S. Energy Information Administration, which tracks energy data for the nation.

What explains the surge?
There are several reasons. At the top is that wind and solar installations dominated U.S. energy buildouts.

"Basically, the only things we've added to the grid in the past decade are wind, solar and natural gas," said Harrison Fell, an economist and engineer at Columbia University, where he co-leads the Power Sector and Renewables Research Initiative.

That's happening for two reasons. The first is cost. Renewables are simply the most economically competitive power currently available, Kelly-Detwiler said.

In 2021, the cost of producing a megawatt-hour of electricity from a new wind turbine was $26 to $50. The same amount of electricity from the cheapest type of natural gas plant ranged from $45 to $74, according to Lazard, a financial advisory firm that publishes annual estimates of the cost of producing electricity. 

Federal and state mandates and incentives to increase the amount of clean energy used also help, Fell said, as renewables reached 25.5% of U.S. electricity recently. 

"When you do the math on what's the most profitable thing to add, it's often going to be wind and solar at this stage," he said.

Was weather a factor?
Yes. April tends to be a particularly windy month, and this spring was windier than most, Fell said.

There's also less power coming into the grid from fossil fuels and nuclear in the spring. That's because electricity demand is generally lower because of the mild weather and fossil fuel and nuclear power plants use the time for maintenance and refueling, which reduces their production, he said.

Another surprise was that in April, wind and solar power together produced more electricity than nuclear plants nationwide. 

Historically, nuclear power plants, which are carbon-neutral, have reliably produced about 20% of America's electricity. In April that number dropped to 18% while wind and solar combined stood at 19.6%.

The nuclear decrease is partly a result of the shutdown of two plants in the past year, Indian Point in New York state and Palisades in Michigan, as well as scheduled closures for maintenance.

Will the trend continue?
When all U.S. carbon-neutral energy sources are added together – nuclear, wind, hydroelectric and solar – almost 46% of U.S. electricity in April came from sources that don't contribute greenhouse gases to the environment, federal data shows.  

"It's a milestone," Kelly-Detwiler said. "But in a few years, we'll look back and say, 'This was a nice steppingstone to the next 'Wow!' moment."

 

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