Zero-emissions electricity by 2035 is possible

US Solar Electricity Generation 2022 rose to a 4.7% share, with 202,256 GWh, per EIA Electric Power Monthly; driven by PV capacity additions despite import constraints, alongside renewables trends in wind, nuclear, and hydroelectric output.

Key Points

The share and output of US solar PV in 2022: 4.7% of electricity and 202,256 GWh, as reported by the EIA.

✅ Solar PV reached 4.7% of US power; 202,256 GWh generated in 2022.

✅ Monthly share varied from about 3% in Jan to just over 6% in Apr.

✅ Wind was 10.1%; wind+solar hit slightly over 20% in April.

In 2022, solar photovoltaics made up 4.7% of U.S. electricity generation, an increase of almost 21% over the 2021 total when solar produced 3.9% of US electricity and about 3% in 2020 according to long-term outlooks. Total solar generation was up 25%, breaking through 200,000 GWh for the year.

The record deployment volumes of 2020 when renewables became the second-most U.S. electricity source and 2021 are the main factors behind this increase. If it were not for ongoing solar panel import difficulties and general inflation, solar’s contribution to electricity generation might have reached 5% in 2022. The data was released by the Department of Energy’s Energy Information Administration (EIA) in their Electric Power Monthly. This release includes data from December 2022, as well as the rest of the data from 2022.

Solar as a percentage of monthly electricity generation ranged from a low of almost 3% in January, to just over 6% in April. April’s production marked a new monthly record for solar generation in the US and coincided with a renewables share record that month.

Total generation of solar electricity peaked in July, at 21,708 GWh. Over the course of the year, solar production reached  202,256 GWh, and total U.S. electricity generation reached 4,303,980 GWh, a year in which renewables surpassed coal in the power mix overall. Total US electricity generation increased by 3.5% over the 4,157,467 GWh produced in 2021.

In 2022, wind energy contributed 10.1% of the total electricity generated in the United States. Wind and solar together produced 14.8% of U.S. electricity in 2022, growing from the 13% recorded in 2021. In April, when solar power peaked at just over 6%, wind and solar power together reached a peak of slightly over 20%, as a wind-and-solar milestone versus nuclear was noted that month, a new monthly record for the two energy sources.

In total, emissions free energy sources such as wind, solar photovoltaic and thermal, nuclear, hydroelectric, and geothermal, accounted for 37.9% of the total electricity generated in the U.S., while renewables provided about 25.5% share of the mix during the year. This value is barely higher than 2020’s 37.7% – but represents a return to growth after 2021 saw a decrease in emission free electricity to 37%.

Nuclear power was the most significant contributor to emission free electricity, making up a bit more than 45% of the total emissions free electricity. Wind energy ranked second at 26%, followed by hydroelectricity at 15%, and solar photovoltaic at 12%, confirming solar as the #3 renewable in the U.S. mix.

Emissions free electricity is a different summation than the EIA’s ‘Renewable Energy’ category. The Renewable Energy category also includes:

• Wood and Wood-Derived Fuels
• Landfill Gas
• Biogenic Municipal Solid Waste
• Other Waste Biomass

Nuclear produced 17.9% of the total U.S. electricity, a value that has generally stayed flat over the years. However, since nuclear facilities are being retired faster than new facilities are coming online, nuclear production has fallen in the past two years. After multiple long delays, we will probably see reactor three of the Vogtle nuclear facility come online in 2023. Reactor four is officially scheduled to come online later this year.

Hydroelectric production also declined in 2022, due to drought conditions in the southwestern United States. With rain and snow storms in California and the southwest, hydroelectricity generation may rebound in 2023.

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Utility-Controlled EV Charging shapes who builds charging stations as utilities, regulators, and private networks compete over infrastructure, grid upgrades, and pricing, impacting ratepayers, competition, and EV adoption across states seeking cleaner transport.

Key Points

Utility-controlled EV charging is utilities building charging networks affecting rates, competition and grid costs.

✅ Regulated investment may raise rates before broader savings.

✅ Private firms warn monopolies stifle competition and innovation.

✅ Regulators balance access, equity, and grid upgrade needs.

Electric vehicles are widely seen as the automobile industry’s future, but a battle is unfolding in states across America over who should control the charging stations that could gradually replace fuel pumps.

From Exelon Corp. to Southern California Edison, utilities have sought regulatory approval to invest millions of dollars in upgrading their infrastructure as state power grids adapt to increased charging demand, and, in some cases, to own and operate chargers.

The proposals are sparking concerns from consumer advocates about higher electric rates and oil companies about subsidizing rivals. They are also drawing opposition from startups that say the successors to gas stations should be open to private-sector competition, not controlled by monopoly utilities.

That debate is playing out in regulatory commissions throughout the U.S. as states and utilities promote wider adoption of electric vehicles. At stake are charging infrastructure investments expected to total more than $13 billion over the next five years, as an American EV boom accelerates, according to energy consulting firm Wood Mackenzie. That would cover roughly 3.2 million charging outlets.

Calvin Butler Jr., who leads Exelon’s utilities business, said many states have grown more open to the idea of utilities becoming bigger players in charging as electric vehicles have struggled to take off in the U.S., where they make up only around 2% of new car sales.

“When the utilities are engaged, there’s quicker adoption because the infrastructure is there,” he said.

Major auto makers including General Motors Co. and Ford Motor Co. are accelerating production of electric vehicles, and models like Tesla’s Model 3 are shaping utility planning, and a number of states have set ambitious EV goals—most recently California, which aims to ban the sale of new gasoline-powered cars by 2035. But a patchy charging-station network remains a huge impediment to mass EV adoption.

Democratic presidential candidate Joe Biden has called for building more than 500,000 new public charging outlets in a decade as part of his plan to combat climate change, amid Biden’s push to electrify the transportation sector. But exactly how that would happen is unclear. The U.S. currently has fewer than 100,000 public outlets, according to the Energy Department. President Trump, who has weakened federal tailpipe emissions targets, hasn’t put forward an electric-vehicle charging plan, though he backed a 2019 transportation bill that would have provided $1 billion in grants to build alternative fueling infrastructure, including for electric vehicles.

Charging access currently varies widely by state, as does utility involvement, with many utilities bullish course on EV charging to support growth, which can range from providing rebates on home chargers to preparing sites for public charging—and even owning and operating the equipment needed to juice up electric vehicles.

As of September, regulators in 24 states had signed off on roughly $2.6 billion of utility investment in transportation electrification, according to Atlas Public Policy, a Washington, D.C., policy firm. More than half of that spending was authorized in California, where electric vehicle adoption is highest.

Nearly a decade ago, California blocked utilities from owning most charging equipment, citing concerns about potentially stifling competition. But the nation’s most populous state reversed course in 2014, seeking to spur electrification.

Regulators across the country have since been wrestling with similar questions, generating a patchwork of rules.

Maryland regulators signed off last year on a pilot program allowing subsidiaries of Exelon and FirstEnergy Corp. to own and operate public charging stations on government property, provided that the drivers who use them cover at least some of the costs.

Months later, the District of Columbia rejected an Exelon subsidiary’s request to own public chargers, saying independent charging companies had it covered.

Some charging firms argue utilities shouldn’t be given monopolies on car charging, though they might need to play a role in connecting rural customers and building stations where they would otherwise be uneconomical.

“Maybe the utility should be the supplier of last resort,” said Cathy Zoi, chief executive of charging network EVgo Services LLC, which operates more than 800 charging stations in 34 states.

Utility charging investments generally are expected to raise customers’ electricity bills, at least initially. California recently approved the largest charging program by a single utility to date: a $436 million initiative by Southern California Edison, an arm of Edison International, as the state also explores grid stability opportunities from EVs. The company said it expects the program to increase the average residential customer’s bill by around 50 cents a month.

But utilities and other advocates of electrification point to studies indicating greater EV adoption could help reduce electricity rates over time, by giving utilities more revenue to help cover system upgrades.

Proponents of having utilities build charging networks also argue that they have the scale to do so more quickly, which would lead to faster EV adoption and environmental improvements such as lower greenhouse gas emissions and cleaner air. While the investments most directly help EV owners, “they accrue immediate benefits for everyone,” said Jill Anderson, a Southern California Edison senior vice president.

Some consumer advocates are wary of approving extensive utility investment in charging, citing the cost to ratepayers.

“It’s like, ‘Pay me now, and maybe someday your rates will be less,’” said Stefanie Brand, who advocates on behalf of ratepayers for the state of New Jersey, where regulators have yet to sign off on any utility proposals to invest in electric vehicle charging. “I don’t think it makes sense to build it hoping that they will come.”

Groups representing oil-and-gas companies, which stand to lose market share as people embrace electric vehicles, also have criticized utility charging proposals.

“These utilities should not be able to use their monopoly power to use all of their customers’ resources to build investments that definitely won’t benefit everybody, and may or may not be economical at this point,” said Derrick Morgan, who leads federal and regulatory affairs at the American Fuel & Petrochemical Manufacturers, a trade organization.

Utility executives said their companies have long been used to further government policy objectives deemed to be in the public interest, drawing on lessons from 2021 to guide next steps, such as improving energy efficiency.

“This isn’t just about letting market forces work,” said Mike Calviou, senior vice president for strategy and regulation at National Grid PLC’s U.S. division.

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Tidal Energy harnesses ocean currents with tidal turbines to deliver predictable, renewable power. From Scotland's Orkney to New York's East River, clean baseload electricity complements wind and solar in decarbonizing grids.

Key Points

Tidal energy uses underwater turbines to capture predictable ocean currents, delivering reliable, low-carbon power.

✅ Predictable 2-way flows enable forecastable baseload

✅ Higher energy density than wind, slower flow speeds

✅ Costs remain high; scaling and deployment are challenging

As the world looks to curb climate change and reduce fossil fuel emissions, some companies are focusing on a relatively untapped but vast and abundant source of energy — tidal waves.

On opposite sides of the Atlantic, two firms are working to harness ocean currents in different ways to try to generate reliable clean energy.

Off the coast of Scotland, Orbital Marine Power operates what it says is the "most powerful tidal turbine in the world." The turbine is approximately the size of a passenger airplane and even looks similar, with its central platform floating on the water and two wings extending downwards on either side. At the ends of each wing, about 60 feet below the surface, are large rotors whose movement is dictated by the waves.

"The energy itself of tidal streams is familiar to people, it's kinetic energy, so it's not too dissimilar to something like wind," Andrew Scott, Orbital's CEO, told CNN Business. "The bits of technology that generate power look not too different to a wind turbine."

But there are some key differences to wind energy, primarily that waves are far more predictable than winds. The ebb and flow of tides rarely differs significantly and can be timed far more precisely.

Orbital Marine Power's floating turbines off the Scottish coast produce enough energy to power 2,000 homes a year, while another Scottish tidal project recently produced enough for nearly 4,000 homes.

Orbital Marine Power's floating turbines off the Scottish coast produce enough energy to power 2,000 homes a year.

"You can predict those motions years and decades [in] advance," Scott said. "But also from a direction perspective, they only really come from two directions and they're almost 180 degrees," he added, unlike wind turbines that must account for wind from several different directions at once.

Tidal waves are also capable of generating more energy than wind, Scott says.

"Seawater is 800 times the density of wind," he said. "So the flow speeds are far slower, but they generate far more energy."

The Orbital turbine, which is connected to the electricity grid in Scotland's Orkney, can produce up to two megawatts — enough to power 2,000 homes a year — according to the company.

Scott acknowledges that the technology isn't fully mainstream yet and some challenges remain including the high cost of the technology, but the reliability and potential of tidal energy could make it a useful tool in the fight against climate change, as projects like Sustainable Marine in Nova Scotia begin delivering power to the grid.

"It is becoming increasingly apparent that ... climate change is not going to be solved with one silver bullet," he said.

'Could be 24/7 power'
Around 3,000 miles away from Orbital's turbines, Verdant Power is using similar technology to generate power near Roosevelt Island in New York City's East River. Although not on the market yet, Verdant's turbines set up as part of a pilot project help supply electricity to New York's grid. But rather than float near the surface, they're mounted on a frame that's lowered to the bottom of the river.

"The best way to envision what Verdant Power's technology is, is to think of wind turbines underwater," the company's founder, Trey Taylor, told CNN Business. And river currents tend to provide the same advantages for energy generation as ocean currents, he explained (though the East River is also connected to the Atlantic).

"What's nice about our rivers and systems is that could be 24/7 power," he said, even as U.S. offshore wind aims to compete with gas. "Not to ding wind or solar, but the wind doesn't always blow and the sun doesn't always shine. But river currents, depending on the river, could be 24/7."

Verdant Power helps supply electricity to New York City
Over the course of eight months, Verdant has generated enough electricity to power roughly 60 homes — though Taylor says a full-fledged power plant built on its technology could generate enough for 6,000 homes. And by his estimate, the global capacity for tidal energy is enormous, with regions like the Bay of Fundy pursuing new attempts around Nova Scotia.

A costly technology
The biggest obstacle to reaching that goal at the moment is how expensive it is to set up and scale up tidal power systems.

"Generating electricity from ocean waves is not the challenge, the challenge is doing it in a cost-effective way that people are willing to pay for that competes with ... other sources of energy," said Jesse Roberts, Environmental Analysis Lead at the US government-affiliated Sandia National Laboratories. "The added cost of going out into the ocean and deploying in the ocean... that's very expensive to do," he added. According to 2019 figures from the US Department of Energy, the average commercial tidal energy project costs as much as $280 per megawatt hour. Wind energy, by comparison, currently costs roughly $20 per megawatt hour and is "one of the lowest-priced energy sources available today," with major additions like the UK's biggest offshore wind farm starting to supply the grid, according to the agency.

When operational, the Orbital turbine's wing blades drop below the surface of the water and generate power from ocean currents.

When operational, the Orbital turbine's wing blades drop below the surface of the water and generate power from ocean currents.

Roberts estimates that tidal energy is two or three decades behind wind energy in terms of adoption and scale.

The costs and challenges of operating underwater are something both Scott and Taylor acknowledge.
"Solar and wind are above ground. It's easy to work with stuff that you can see," Taylor said. "We're underwater, and it's probably easier to get a rocket to the moon than to get these to work underwater."
But the goal of tidal power is not so much to compete with those two energy sources as it is to grow the overall pie, alongside innovations such as gravity power that can help decarbonize grids.

"The low hanging fruit of solar and wind were quite obvious," Scott said. "But do they have to be the only solution? Is there room for other solutions? I think when the energy source is there, and you can develop technologies that can harness it, then absolutely."
 

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Clean Coal Technologies Pristine Funding secures investment from a New York asset manager via Black Diamond, advancing commercialization, Tulsa testing, Wyoming relocation, PRB coal enhancement, and cleaner energy innovation to support global coal exports.

Key Points

Capital from a New York asset manager backs Pristine commercialization, testing, and Wyoming relocation to boost PRB coal.

✅ Investment via Black Diamond funds Tulsa test operations.

✅ Permanent relocation planned near a Wyoming mine site.

✅ First Pristine M module to enhance PRB coal quality.

Clean Coal Technologies, Inc., an emerging cleaner-energy company utilizing patented and proven technology to convert untreated coal into a cleaner burning and more efficient fuel, announced today that the company has secured funding for their Pristine technology through commercialization, a move reminiscent of Bruce C project funding activity, from a major New York-based Asset Management company. This investment will be made through Black Diamond with all funds earmarked for test procedures at the plant near Tulsa, OK, at a time when rare new coal plants are appearing, and the plant's move to a permanent location in Wyoming. The first tranche is being paid immediately.

"Securing this investment will confidently carry us through to the construction of our first commercial module enabling management to focus on the additional tests that have been requested from multiple parties, even as US coal demand faces headwinds across the market," stated CEO of Clean Coal Technologies, Inc., Robin Eves. "At this time we have begun scheduling plant visits with both US government agency and coal industry officials along with key international energy consortiums that are monitoring transitions such as Alberta's coal phaseout policies."

"We're now able to finalize our negotiations in Wyoming where the permitting process has begun and where we will permanently relocate the test facility later this year following completion of the aforementioned tests," added CCTI COO/CFO, Aiden Neary. "This event also paves the way forward to commence the process of constructing the first commercial Pristine M facility. That plant is planned to be in Wyoming near an operating mine where our process can be used to enhance the quality of PRB coal to make it more competitive globally, even as regions like western Europe see coal-to-renewables conversions at legacy plants, and help restore the US coal export market."

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Vehicle-to-Grid V2G unlocks EV charging flexibility and grid services, integrating renewable energy, demand response, and peak shaving to displace stationary storage and firm generation while lowering system costs and enhancing reliability.

Key Points

Vehicle-to-Grid V2G lets EV batteries discharge to grid, balancing renewables and cutting storage and firm generation.

✅ Displaces costly stationary storage and firm generation

✅ Enables demand response and peak shaving at scale

✅ Supports renewable integration and grid reliability

Owners of electric vehicles (EVs) are accustomed to plugging into charging stations at home and at work and filling up their batteries with electricity from the power grid. But someday soon, when these drivers plug in, their cars will also have the capacity to reverse the flow and send electrons back to the grid. As the number of EVs climbs, the fleet’s batteries could serve as a cost-effective, large-scale energy source, with potentially dramatic impacts on the energy transition, according to a new paper published by an MIT team in the journal Energy Advances.

“At scale, vehicle-to-grid (V2G) can boost renewable energy growth, displacing the need for stationary energy storage and decreasing reliance on firm [always-on] generators, such as natural gas, that are traditionally used to balance wind and solar intermittency,” says Jim Owens, lead author and a doctoral student in the MIT Department of Chemical Engineering. Additional authors include Emre Gençer, a principal research scientist at the MIT Energy Initiative (MITEI), and Ian Miller, a research specialist for MITEI at the time of the study.

The group’s work is the first comprehensive, systems-based analysis of future power systems, drawing on a novel mix of computational models integrating such factors as carbon emission goals, variable renewable energy (VRE) generation, and costs of building energy storage, production, and transmission infrastructure.

“We explored not just how EVs could provide service back to the grid — thinking of these vehicles almost like energy storage on wheels providing flexibility — but also the value of V2G applications to the entire energy system and if EVs could reduce the cost of decarbonizing the power system,” says Gençer. “The results were surprising; I personally didn’t believe we’d have so much potential here.”

Displacing new infrastructure

As the United States and other nations pursue stringent goals to limit carbon emissions, electrification of transportation has taken off, with the rate of EV adoption rapidly accelerating. (Some projections show EVs supplanting internal combustion vehicles over the next 30 years.) With the rise of emission-free driving, though, there will be increased demand for energy on already stressed state power grids nationwide. “The challenge is ensuring both that there’s enough electricity to charge the vehicles and that this electricity is coming from renewable sources,” says Gençer.

But solar and wind energy is intermittent. Without adequate backup for these sources, such as stationary energy storage facilities using lithium-ion batteries, for instance, or large-scale, natural gas- or hydrogen-fueled power plants, achieving clean energy goals will prove elusive. More vexing, costs for building the necessary new energy infrastructure runs to the hundreds of billions.

This is precisely where V2G can play a critical, and welcome, role, the researchers reported. In their case study of a theoretical New England power system meeting strict carbon constraints, for instance, the team found that participation from just 13.9 percent of the region’s 8 million light-duty (passenger) EVs displaced 14.7 gigawatts of stationary energy storage. This added up to $700 million in savings — the anticipated costs of building new storage capacity.

Their paper also described the role EV batteries could play at times of peak demand, such as hot summer days. “With proper grid coordination practices in place, V2G technology has the ability to inject electricity back into the system to cover these episodes, so we don’t need to install or invest in additional natural gas turbines,” says Owens. “The way that EVs and V2G can influence the future of our power systems is one of the most exciting and novel aspects of our study.”

Modeling power

To investigate the impacts of V2G on their hypothetical New England power system, the researchers integrated their EV travel and V2G service models with two of MITEI’s existing modeling tools: the Sustainable Energy System Analysis Modeling Environment (SESAME) to project vehicle fleet and electricity demand growth, and GenX, which models the investment and operation costs of electricity generation, storage, and transmission systems. They incorporated such inputs as different EV participation rates, costs of generation for conventional and renewable power suppliers, charging infrastructure upgrades, travel demand for vehicles, changes in electricity demand, and EV battery costs.

Their analysis found benefits from V2G applications in power systems (in terms of displacing energy storage and firm generation) at all levels of carbon emission restrictions, including one with no emissions caps at all. However, their models suggest that V2G delivers the greatest value to the power system when carbon constraints are most aggressive — at 10 grams of carbon dioxide per kilowatt hour load. Total system savings from V2G ranged from $183 million to $1,326 million, reflecting EV participation rates between 5 percent and 80 percent.

“Our study has begun to uncover the inherent value V2G has for a future power system, demonstrating that there is a lot of money we can save that would otherwise be spent on storage and firm generation,” says Owens.

Harnessing V2G

For scientists seeking ways to decarbonize the economy, the vision of millions of EVs parked in garages or in office spaces and plugged into the grid via vehicle-to-building charging for 90 percent of their operating lives proves an irresistible provocation. “There is all this storage sitting right there, a huge available capacity that will only grow, and it is wasted unless we take full advantage of it,” says Gençer.

This is not a distant prospect. Startup companies are currently testing software that would allow two-way communication between EVs and grid operators or other entities. With the right algorithms, EVs would charge from and dispatch energy to the grid according to profiles tailored to each car owner’s needs, never depleting the battery and endangering a commute.

“We don’t assume all vehicles will be available to send energy back to the grid at the same time, at 6 p.m. for instance, when most commuters return home in the early evening,” says Gençer. He believes that the vastly varied schedules of EV drivers will make enough battery power available to cover spikes in electricity use over an average 24-hour period. And there are other potential sources of battery power down the road, such as electric school buses that are employed only for short stints during the day and then sit idle, with the potential to power buildings during peak hours.

The MIT team acknowledges the challenges of V2G consumer buy-in. While EV owners relish a clean, green drive, they may not be as enthusiastic handing over access to their car’s battery to a utility or an aggregator working with power system operators. Policies and incentives would help.

“Since you’re providing a service to the grid, much as solar panel users do, you could get paid to sell electricity back for your participation, and paid at a premium when electricity prices are very high,” says Gençer.

“People may not be willing to participate ’round the clock, but as states like California explore EVs for grid stability programs and incentives, if we have blackout scenarios like in Texas last year, or hot-day congestion on transmission lines, maybe we can turn on these vehicles for 24 to 48 hours, sending energy back to the system,” adds Owens. “If there’s a power outage and people wave a bunch of money at you, you might be willing to talk.”

“Basically, I think this comes back to all of us being in this together, right?” says Gençer. “As you contribute to society by giving this service to the grid, you will get the full benefit of reducing system costs, and also help to decarbonize the system faster and to a greater extent.”

Actionable insights

Owens, who is building his dissertation on V2G research, is now investigating the potential impact of heavy-duty electric vehicles in decarbonizing the power system. “The last-mile delivery trucks of companies like Amazon and FedEx are likely to be the earliest adopters of EVs,” Owen says. “They are appealing because they have regularly scheduled routes during the day and go back to the depot at night, which makes them very useful for providing electricity and balancing services in the power system.”

Owens is committed to “providing insights that are actionable by system planners, operators, and to a certain extent, investors,” he says. His work might come into play in determining what kind of charging infrastructure should be built, and where.

“Our analysis is really timely because the EV market has not yet been developed,” says Gençer. “This means we can share our insights with vehicle manufacturers and system operators — potentially influencing them to invest in V2G technologies, avoiding the costs of building utility-scale storage, and enabling the transition to a cleaner future. It’s a huge win, within our grasp.”

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US Plug-in EV Miles 2021 highlight BEV and PHEV growth, DOE and Argonne data, 19.1 billion electric miles, 6.1 TWh consumed, gasoline savings, rising market share, and battery capacity deployed across the US light-duty fleet.

Key Points

They represent 19.1 billion electric miles by US BEVs and PHEVs in 2021, consuming 6.1 TWh of electricity.

✅ 700 million gallons gasoline avoided in 2021

✅ $1.3 billion fuel cost savings estimated

✅ Cumulative 68 billion EV miles since 2010

Plug-in electric cars are gradually increasing their market share in the US (reaching about 4% in 2021), which starts to make an impact even as the U.S. EV market share saw a brief dip in Q1 2024.

The Department of Energy (DOE)’s Vehicle Technologies Office highlights in its latest weekly report that in 2021, plug-ins traveled some 19.1 billion miles (31 billion km) on electricity - all miles traveled in BEVs and the EV mode portion of miles traveled in PHEVs, underscoring grid impacts that could challenge state power grids as adoption grows.

This estimated distance of 19 billion miles is noticeably higher than in 2020 (nearly 13 billion miles), which indicates how quickly the electrification of driving progresses, with U.S. EV sales continuing to soar into 2024. BEVs noted a 57% year-over-year increase in EV miles, while PHEVs by 24% last year (mostly proportionally to sales increase).

According to Argonne National Laboratory's Assessment of Light-Duty Plug-in Electric Vehicles in the United States, 2010–2021, the cumulative distance covered by plug-in electric cars in the US (through December 2021) amounted to 68 billion miles (109 billion miles).

U.S. Department of Transportation, Federal Highway Administration, December 2021 Traffic Volume Trends, 2022.

The report estimates that over 2.1 million plug-in electric cars have been sold in the US through December 2021 (about 1.3 million all-electric and 0.8 million plug-in hybrids), equipped with a total of more than 110 GWh of batteries, even as EV sales remain behind gas cars in overall market share.

It's also estimated that 19.1 billion electric miles traveled in 2021 reduced the national gasoline consumption by 700 million gallons of gasoline or 0.54%.

On the other hand, plug-ins consumed some 6.1 terawatt-hours of electricity (6.1 TWh is 6,100 GWh), which sounds like almost 320 Wh/mile (200 Wh/km), aligning with projections that EVs could drive a rise in U.S. electricity demand over time.

The difference between the fuel cost and energy cost in 2021 is estimated at $1.3 billion, with Consumer Reports findings further supporting the total cost advantages.

Cumulatively, 68 billion electric miles since 2010 is worth about 2.5 billion gallons of gasoline. So, the cumulative savings already is several billion dollars.

Those are pretty amazing numbers and let's just imagine that electric cars are just starting to sell in high volume, a trend that mirrors global market growth seen over the past decade. Every year those numbers will be improving, thus tremendously changing the world that we know today.

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