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Electric cars cost less per mile to operate

They may cost more to buy, but electric cars are much cheaper to run than their gas-powered counterparts

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Electric cars may cost more to buy, but they’re really cheap to run, according to our tests of the Chevrolet Volt and the Nissan Leaf.

The pure electric Nissan Leaf costs just 3.5 cents a mile based on the national average of 11 cents/kWh of electricity. That’s less than half of what it costs to drive the most fuel-efficient four-door car we’ve tested, the Toyota Prius. (This calculation doesn’t include other costs such as maintenance or depreciation. But maintenance on an electric car is theoretically miniscule compared with gasoline cars. And depreciation is unknown for such a new technology.)

The Chevrolet Volt, which runs on electricity for the first 35 miles, is heavier and therefore costs a little more to run—about 3.8 cents per mile on electricity. After that, the Volt uses a gasoline engine to extend the range another 300 miles. In gas mode, the Volt ties the Toyota Corolla in overall fuel economy at 32 mpg, although the Volt uses premium fuel. That gives the Volt a fuel cost on gasoline of 12.5 cents a mile once the batteries have been exhausted.

The chart below compares the costs of driving these plug-in vehicles with the most fuel-efficient current gasoline-powered cars in our tests and shows how costs break down. With an all-electric car like the Leaf, short trips cost about half as much as other cars. The farther you go, the more you save--up to the Leaf’s maximum range of about 75 miles on average. Trips longer than that are impractical in the Leaf, because it takes about 6 hours to recharge before going the next 75 miles.

Even on longer trips, the Volt running on gasoline is still cheaper to drive than the Toyota Prius hybrid, the most fuel-efficient vehicle in our database, because of the money you save driving the first miles on electricity. The Prius has the advantage on trips over 100 miles.

In miles-per-gallon terms, we found the Leaf gets the energy equivalent of 106 mpg, based on efficiency of 3.16 miles per kilowatt-hour of electricity. If you charge it at national average electric rates of 11 cents per kilowatt hour, you’ll pay about $2.42 to charge the car. (Admittedly, electric rates at our test track in rural Connecticut are almost double that: 19 cents per kWh. Along with New York, Connecticut has the highest rates of any state in the continental United States. But even at that rate, the Leaf costs about 20-percent less than the Prius to operate and about half the cost of the Corolla.)


As today’s technologies improve, prices decrease, and new plug-in cars are developed, EVs and hybrids will offer an increasingly attractive option for car buyers. And already, in terms of pure energy costs, the balance is in their favor.
 

455 comments

  • Think about it.  •  3 months ago
    It is like one forth the cost of a comparable conventional gas car. Electrics are the future as gas prices will continue to go up in the coming years due to oil depletion.
  • LarryD  •  4 months ago
    how much is batterys and how long do they last no one seams to know
    • A Yahoo! User 4 months ago
      They are covered by manufacturer warranty for eight years. We'll see what the replacement cost is then, but it is expected to be lower. How much will gas cost in eight years? No one seams to know.
    • Think about it. 3 months ago
      The answer above mine is PERFECT.
  • Moosemiester  •  4 months ago
    $35,000... for a car with a 75 mile range (less with the heat or A/C on)... $43,000 for the Volt, that price does not include the $6,000 charging station (Does the Leaf Price include that?)... and we have the $7,000 tax incentive (that all of us pay for).

    The
    How many 35 mile one way trips do I have to make every day to make this a wise financial decision, .vs. a $15K car that gets 35 mpg.... hmmm
    • A Yahoo! User 4 months ago
      Or 60 grand for a BMW that is functionally equivalent to a Honda Accord, just with worse reliability. How do you justify that?

      If you're paying more than about a grand to have an L2 charger installed at your house you need to hone your shopping skills.
    • Torrid Spelling 4 months ago
      Apples to apples anyone? Or is the concept REALLY that difficult for so many people to understand?
    • Moosemiester 4 months ago
      The charging station for the volt is around 4K, and if you don't have enough service to handle the additional 220v load you'll spend another $2K.
  • MalikTous  •  4 months ago
    If they would use Nickel-iron Edison cell battery technology they could just flush the cells every 4 or 5 years instead of replacing a whole battery, plus the Edison batteries have far fewer toxic components than other more exotic lithium, cadmium, and similar rare-earth based batteries. This could bring Hybrid-Electric tech costs down greatly, as also could using higher-efficiency charging engines instead of staying with Otto or Diesel reciprocating systems.
    • A Yahoo! User 4 months ago
      Where did you hear that lithium is "exotic"? It's a salt, almost as common as dirt.
    • Samuel R 4 months ago
      Lithium is not a salt. Lithium is an element.
    • Samuel R 4 months ago
      MalikTous; You don't suppose there may be one or more reasons that Mr. Edison gave up on attempting to build a viable electric car using his own batteries?
  • 1Source  •  4 months ago
    I recently watched a talk on Ted.com...great for geek stuff, where they are conceiving the idea of selling the car separate from the battery to bring the cost down and swapping out the battery at service stations. This would solve the problem of distance concerns, cost issues and provide ready access to power. The new Tesla gets 300 miles and still uses computer batteries which they can charge in an hour so the technology is improving.
    • Geo 4 months ago
      If they had battery stations and changed your battery like a car wash process life would be good. If well designed it would be faster than filling up the tank is now.
    • Torrid Spelling 4 months ago
      Ted is cool. If you want to see some of the ideas out there, including EV-home power integration, simply go to you tube and search for "EV charging" or "electric vehicles."
  • Michael  •  4 months ago
    None of the articles I've read lately about electric cars mentions what it's like to drive electric. Electric cars are the smoothest and quietest cars built. All you hear is wind and tire noise. I've driven one over 3,000 miles and let me tell you, silence is golden.
    • A Yahoo! User 4 months ago
      Also very quick off the line.
    • Jd Jones 4 months ago
      I almost got run over by a Prius while unloading my luggage at the airport because it was totally quiet and the driver was a thoughtless jerk who was in a hurry. They need to add a warning beacon, perhaps with a sensor so it only sounds if there is something within a certain distance ahead.
  • Rich  •  4 months ago
    My BIGGES electric bill in the middle of winter was $26.00 ,my city has 4 generaters on a DAM !!! They only use 2 of the generaters most of the time ... Thank God for water flow !!! CLEAN ENERGY ! ! !
  • AKA  •  4 months ago
    This technology has a long way to go. much like the days when cell phones cost a dollar per minute to use and were the size of a backpack. However, every gallon that isnt pumped into a vehicle helps reduce money leaving our country and subsequently used against us, possibly killing young soldiers. We must focus on the big picture and stop depending on other countries even if that includes using our own resources to accomplish that.
  • AmericanJew0002356432  •  4 months ago
    I'm all for electric cars though it's silly to think that electric rates won't rise just like gas prices. Besides, the power plants to create the electricity require fuel at some point too. If you keep telling people that it's cheaper when it might not be significant, it's not as convincing an argument. If your goal is to tell people that we can pay the same or less than we currently do, and do it independently, it will be more believable and more likely to be a successful campaign.
  • Raymond  •  4 months ago
    Supposedly we have trillions of cubic feet of natural gas coming because of the new extraction technology or maybe the oil companies will ship this out of the U.S.? Our Alaskan sweet crude is EXPORTED to Japan and our number one export 2011 (REFINED OIL PRODUCTS).
    We can power our cars and electric companies with our own natural gas and in the mean time use Hybrid cars.
    It would be great to dump the oil cartels and the Middle East for cleaner air and trade Al Gore’s Carbon Credits to China paying down our national debt.
  • Jimmy mac  •  4 months ago
    Hey, you left out the Tesla!
  • PAPPA G  •  4 months ago
    electric vehicles would make us energy independent because are utility companies are powered by all american fuels nuclear,nat.gas,and coal.how about ev's w/cng engines.
  • Alden  •  4 months ago
    Electric cars do not pay highway tax-YET. As soon as they become popular electric cars will pay hefty road taxes just like gas powered cars do, when fuel taxes are added to fuel costs.
  • Albin  •  4 months ago
    The nissan leaf is not the only electric car out there. Zapcar and Tesslar ? are also electric cars that get up to 300 mile per charge.check out the internet. Low maintenance no oil and all the problems .What dose it cost to wage a war and support countries that are not our allies? and create so much environmental problems.
  • A Yahoo! User  •  4 months ago
    I would rather pay more for an electric car that creates jobs here than pay for imported oil. Only 1 or 2 percent of our electricity comes from oil. Additionally as one of the worlds top oil producers perhaps if we cut back on our consumption we could join OPEC bringing a positive trade balance and ending our military ops in the mid East.
  • tmd 60  •  4 months ago
    The future is electric. Nuclear Power Plants and Solar/ Wind are realistic to the US Energy demands of the 23rd Century.
  • JpNYC23  •  4 months ago
    Many Americans complain that our country isn't moving fast enough to reduce our dependence on foreign oil, yet many of those same people mock hybrid and electric vehicles. As Europe and Asia continue to promote alternative energy to power cars, homes and businesses, America continues to lag and will lose jobs unless we invest in & promote our abilities. Mocking Al Gore and the Chevy Volt (or is it a Dolt?) will not move us forward.
  • Edgar  •  4 months ago
    EV cheaper than gas?? Please go sign up for a course called "Engineering Economy." It asks: Which alternative is cheaper? Over the life of the vehicle, what does it cost to operate? Calculate the present value of an EV's expenses: purchase price, financing costs, taxes, insurance, electricity used, maintenance, and value when disposed of, vs. that of a similar sized gasoline powered automobile. The nasty truth is that gasoline has to be higher than $7 or $8 per gallon for an EV to be the more economical choice. Notice, I didn't bring up the fact that electric automobiles haven't much better range or performance than they did in 1908.
  • kennethm  •  4 months ago
    yes it makes sense to drive an electric car but the delima i have is what and how are you going to charge this car and or vehicle on the road and at home and if all of us get a car were are we going to get this electricity,wouldn't that increase the amount of electrical power so that means building bigger coal fire plants,more minning for coal, and more neuclear power plants great more jobs more coal use and more coal polution into our air, is that what we are changing and one more thing were are we going to despose of the spent batteries mmmmmmm can we say what have we done.
  • Lawrence  •  4 months ago
    It is funny to me that electric cars have been made for well over 100 years, and Detroit has not made in progress in bringing this to the public. With Unemployment so high 20% realistically it time to re-do mass transit infrastructure and build charging post to extend these car driveability, I mean a good day 6 stops and you can make 300 miles with a couple of stretching and enjoying life OK a few extra minute to do that compute of 300 miles, but saved my LUNGS and cost you $3.00. Let me see any fuel car beat that.

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