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Is it Cheaper to Refuel Your EV Battery or Gas Tank? We did the Math in All 50 States

Is it Cheaper to Refuel Your EV Battery or Gas Tank? We did the Math in All 50 States

Gasoline cars are cheaper to refuel than electric vehicles.

I’ve heard this claim pop up everywhere from Massachusetts to Fox News over the past two years. My neighbor even refuses to plug in his hybrid Toyota RAV4 Prime over what he calls ruinous electricity rates

What Gives?

The basic argument is that electricity prices are so high it has erased the advantage of recharging over refilling. This cuts to the heart of why many people buy EVs, according to the Pew Research Center: 70 percent of potential EV buyers report “saving money on gas” as among their top reasons.

So how much does it really cost to refuel an EV?

The answer is less straightforward than it seems. Just calculating the cost of gasoline vs. electricity is misleading. Prices vary by charger (and state). Everyone charges differently. Road taxes, rebates and battery efficiency all affect the final calculation. So, I asked researchers at the nonpartisan Energy Innovation, a policy think tank aimed at decarbonizing the energy sector, to help me nail down the true cost of refueling in all 50 states by drawing on data sets from federal agencies, AAA and others. You can dive into their helpful tool here.

I used the data to embark on two hypothetical road trips across America, delivering a verdict on whether it costs more to refill or recharge during the summer of 2023. The results surprised me (and they might really surprise my neighbor).

The Cost of a Fill-Up

If you’re like 4 in 10 Americans, you’re considering buying an electric vehicle. And if you’re like me, you’re sweating the cost. The average EV sells for $4,600 more than the median gasoline car, but by most calculations, I’ll save money over the long run. It costs less to refuel and maintain the vehicle — hundreds of dollars less per year, by some estimates. That’s before government incentives, and any consideration of never visiting a gas station again.

Yet nailing down a precise number is tricky. The average price of a gallon of gasoline is easy to calculate. Since 2010, the price, in inflation-adjusted terms, is virtually unchanged, according to data from the Federal Reserve. The same applies to a kilowatt-hour (kWh) of electricity. But the cost of recharging, by contrast, is far opaquer. Electricity rates not only vary by state, but by the time of day and even the outlet. EV owners may plug in at home or work and then pay a premium to fast charge on the road.

That makes comparing the cost of a “fill-up” for a gasoline Ford F-150, America’s best-selling vehicle since the 1980s, and its electric counterpart’s 98-kWh battery challenging. It requires assumptions about geography, charging behavior and standardizing how the energy in batteries and gas tanks convert into miles. Such calculations must then be applied to different vehicle classes, such as sedans, SUVs and trucks. No wonder almost no one does it. But we saved you time. The results reveal just how much you can save — and the few instances where you won’t.

The bottom line? In all 50 states, it’s cheaper for the everyday American to fill up with electrons — and much cheaper in some regions such as the Pacific Northwest, with low electricity rates and high gas prices. In Washington state, with prices around $4.98 per gallon of gas, it costs about $115 to fill up an F-150 which delivers 483 miles of range.

By contrast, recharging the electric F-150 Lightning (or Rivian R1T) to cover an equivalent distance costs about $34 — an $80 savings. This assumes, as the Energy Department estimates, drivers recharge at home 80 percent of the time, along with other methodological assumptions at the end of this article.

But what about the other extreme? In the Southeast, which has low gas prices and electricity rates, savings are lower but still significant. In Mississippi, for example, a conventional pickup cost about $30 more to refuel than its electric counterpart. For smaller, more efficient SUVs and sedans, EVs save roughly $20 to $25 per fill-up to cover the same number of miles.

An American driving the average 14,000 miles per year would see annual savings of roughly $700 for an electric SUV or sedan up to $1,000 for a pickup, according to Energy Innovation. But daily driving is one thing. To put the model to the test, I took these estimates on two all-American summer road trips.

Tale of Two Road Trips

You’ll encounter two main kinds of chargers on the open road. Level 2 chargers add about 30 miles of range every hour. Prices range from about 20 cents per kWh to free at many businesses such as hotels and grocery stores hoping to attract customers (Energy Innovation assumes just over 10 cents per kWh in the estimates below).

Fast chargers known as Level 3 — nearly 20 times faster — can top off an EV battery to about 80 percent in as little as 20 minutes. But that typically costs 30 to 48 cents per kWh — a price equivalent to gasoline in some places, as I later found out.

To test how this plays out, I embarked on a hypothetical 408-mile road trip from San Francisco to Disneyland, just south of Los Angeles. For the journey, I selected the F-150 and its electric counterpart, the Lightning, part of the wildly popular series that sold 653,957 units last year. There’s a strong climate case against building electric versions of America’s gas guzzlers, but these estimates are meant to reflect the actual vehicle preferences of Americans.

Road Trip Across One State

  • San Francisco to Disneyland (408 miles)
  • Seattle
  • New York
  • Chicago
  • San Francisco
  • Washington
  • Denver
  • St. Louis
  • Los Angeles
  • Disneyland
  • Atlanta
  • Houston
  • Miami

The winner? The EV — barely. The savings were modest because of the substantial premium for using fast chargers, typically three to four times more expensive than charging at home. In a Lightning, I arrived at the park with $14 more in my pocket than if I had driven its gasoline counterpart.

If I decided to make a longer stop at Level 2 chargers at hotels or restaurants, my savings would have been $57. This trend held for smaller vehicles, too: Tesla’s Model Y crossover saved me $18 and $44 for the 408-mile journey at Level 3 and Level 2 chargers, respectively, compared to refueling with gasoline.

Bar chart showing cost of fill up... Total cost to fill up for road trip across California

  • Gas Ford F-150


  • EV Ford F-150, Level 3 fast charger


Savings: $14.06

  • EV Ford F-150, Level 2 commercial charger


Savings: $57.38

  • Honda CR-V


  • Tesla Model Y, Level 3 fast charger


Savings: $18.09

  • Tesla Model Y, Level 2 commercial charger


Savings: $43.94

  • Toyota Camry


  • Chevrolet Bolt, Level 3 fast charger


Savings: $12.51

  • Chevrolet Bolt, Level 2 commercial charger


Savings: $39.13

On the emissions front, EVs pulled well ahead. EVs emit less than a third of the emissions per mile than their gasoline counterparts — and they’re getting cleaner every year. America’s electricity mix emits just under a pound of carbon emissions for every kWh generated, according to the Energy Information Administration.

By 2035, the White House hopes to drive that closer to zero. This meant the conventional F-150 spewed five times more greenhouse gas emissions into the atmosphere than the Lightning. The Tesla Model Y represented 63 pounds of greenhouse gas emissions on the trip compared to more than 300 pounds from all the conventional vehicles.

Emissions Comparison Chart... Total emissions for road trip across California

  • Gas Ford F-150

459 lbs CO₂ equivalent

  • EV Ford F-150


  • Honda CR-V


  • Tesla Model Y


  • Toyota Camry


  • Chevrolet Bolt


Driving Where Few EVs Go

The true test, however, would be a journey from Detroit to Miami. Driving from Motown across the Midwest is not an EV dream. This region has some of the lowest EV ownership rates in the United States. Chargers are not as plentiful. Gasoline prices are low. Electricity is dirtier.

To make it even more lopsided, I chose to compare the Toyota Camry with the electric Chevrolet Bolt — relatively efficient vehicles that narrow the difference in fueling costs. To reflect each state’s mix of prices, I measured the distance along the 1,401-mile journey in all six states, and their respective energy costs and emissions.

Cross-Country Road Trip

  • Detroit to Miami (1,401 miles)
  • Seattle
  • Minneapolis
  • Boston
  • Detroit
  • New York
  • Chicago
  • San Francisco
  • Washington
  • Denver
  • Los Angeles
  • Atlanta
  • New Orleans
  • Houston
  • Tampa
  • Miami

Did the EV hold its edge? Sometimes. But not always.

If I was refueling at homes or cheap Level 2 commercial stations along the way (an unlikely scenario), the Bolt EV was cheaper to refuel: $41 compared to $142 for the Camry. But fast charging tipped the balance in favor of the Camry. At Level 3 chargers, the retail cost of electricity added up to $169 to complete the trip on batteries, $27 more than the gasoline-powered journey.

Total cost to fill up for cross-country road trip

  • Toyota Camry


  • Chevrolet Bolt, Level 3 fast charger


Additional cost: $27.06

  • Chevrolet Bolt, Level 2 commercial charger


Savings: $100.21

On greenhouse gas emissions, however, Bolt was the clear leader, indirectly accounting for just 20 percent of the emissions coming from its counterpart.

Total Emissions For Cross-Country Road Trip

  • Toyota Camry

1,325 lbs CO₂ equivalent

  • Chevrolet Bolt


Do EV Detractors Have a Point?

I wanted to see why those arguing against the economics of EVs came to such a different conclusion. For this, I contacted Patrick Anderson, whose Michigan-based consulting firm works with the auto industry and assesses the cost of EVs each year. It has consistently been found that most EVs to be more expensive to refuel.

Anderson told me that many economists leave out costs that should be part of any calculation of recharging costs: state EV taxes replacing gas taxes, costs of home chargers, transmission losses while recharging (about 10 percent), and the cost of driving to sometimes distant public fueling stations. These are small but real costs, he says. Together, they tip the balance toward gasoline cars.

Mid-priced gasoline vehicles, by his calculations, cost less to refuel — approximately $11 to drive 100 miles compared to $13 to $16 for comparable EVs. The exceptions were luxury vehicles since they tend to be less efficient and burn premium fuel. “This segment is where EVs makes a lot of sense for the median buyer,” says Anderson. “It’s not surprising that’s where we’re seeing the most sales.”

But critics say Anderson’s assessment overestimates or omits key assumptions: his firm’s analysis assumes EV owners use expensive public stations about 40 percent of the time (the Energy Department estimates about 20 percent), overstates battery efficiency losses, adds the “cost” of free public chargers in the form of “property taxes, tuition, consumer prices or investor burdens” and ignores government and manufacturing incentives.

The True Cost of a Fill-Up

Ultimately, we may never agree on what it costs to refuel an electric vehicle. That may not matter. For the everyday driver in the United States, it’s already cheaper to refuel an EV most of the time, and it’s expected to get cheaper as renewable capacity expands and vehicle efficiency improves.

The sticker price for some EVs is expected to fall below comparable gasoline cars as soon as this year, and estimates of the total cost of ownership — maintenance, fuel and other costs over a vehicle’s lifetime — suggest EVs are already cheaper. After that there’s one last number I felt was missing: the social cost of carbon. It’s a rough dollar estimate of the damage from adding another ton of carbon to the atmosphere — a tally of heat deaths, flooding, wildfires, crop failures and other costs tied to global warming.

Every gallon of gas adds about 20 pounds of carbon dioxide to the atmosphere, equivalent to about 50 cents in climate damage per gallon, researchers estimate. Accounting for external factors such as congestion, accidents and air pollution, according to one 2007 estimate by Resources for the Future, the damage bill is closer to $3 per gallon.

You’re not required to pay this, of course. And EVs also don’t solve this problem on their own. For that, we’ll need more cities and neighborhoods where you don’t need a car to visit friends or buy groceries. But electric mobility is essential to helping keep temperature increases below 2 degrees Celsius. The alternative is a price that has become impossible to ignore.

About This Story

The costs to fill up an EV vs. a gasoline vehicle were calculated for three vehicle classes: sedans, SUVs, and trucks. All vehicle selections are 2023 base models. The average miles traveled by a driver per year was assumed to be 14,263, based on 2019 Federal Highway Administration data. For all vehicles, assumptions for range, mileage and emissions were drawn from the Environmental Protection Agency’s

Gas prices are based on July 2023 data from AAA. For EVs, the average number of kilowatt-hours required for a full charge was calculated based on the battery size. Charging location was based on Energy Department research indicating that 80 percent of charging is at home. Residential electricity rates were provided by the Energy Information Administration from 2022. The remaining 20 percent of charging was at public charging stations, with electricity rates based on Electrify America’s published rates by state.

These calculations do not incorporate any assumptions for total cost of ownership, EV tax credits, registration fees, or operation and maintenance expenses. We also do not assume any EV-related rate designs, EV charging discounts or free charging, or electric time-of-use pricing.

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