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James Burgess

James Burgess

James Burgess studied Business Management at the University of Nottingham. He has worked in property development, chartered surveying, marketing, law, and accounts. He has also…

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EVs Worse for Environment than Hybrids in Most US States

EVs Worse for Environment than Hybrids in Most US States

I’m sure you have heard the statement that an electric car is only as green as the electricity that is used to power it. Climate Central performed a study on the environmental nature of electricity in all 52 states around the US, in order to determine what merits electric vehicles have in each state.

It turns out that in the states reliant on fossil fuel power stations to generate their electricity, conventional hybrid vehicles and plug-in hybrid vehicles are better for the climate than any electric car available on the market.

When considering carbon emissions for the entire lifetime (including construction) of an electric vehicle, it might surprise you know that EVs start with a far higher carbon footprint that hybrids, or even conventional gasoline cars. The manufacturing of the EV battery alone creates between 10,000 and 40,000 pounds of carbon that then takes tens, or hundreds of thousands of miles of driving, using clean electricity, to work off.

Climate Central wrote that:

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“In 39 states, a high-efficiency, conventional gas-powered hybrid, like the Toyota Prius, is better for the climate (produces fewer total “lifecycle” carbon emissions) than the least-polluting, all-electric vehicle, the Honda Fit, over the first 50,000 miles the car is driven.

All-electrics and plug-in hybrids are best in states that have green electrical grids with substantial amounts of hydro, nuclear and wind power that produce essentially no carbon emissions. Conventional hybrids are best in states where electricity comes primarily from coal and natural gas.”

On the face of it EVs do allow motorists to drive around the country in a much more environmentally friendly way than hybrids, or traditional gas cars, even more so as the US reduces its reliance on coal power plants in favour of natural gas and wind energy farms. From 2010 to 2012 the energy grids shift to natural gas and wind energy reduced average CO2 emissions per kilowatt hour by 8%.

These changes to the energy mix have helped boost the appeal of electric cars in many states, but only when manufacturing emissions are ignored. The problem is that producing EV batteries is still a very carbon intensive process.

Climate Central listed eighteen ‘dirty energy states’, including Colorado, Missouri, New Mexico, Michigan, and Ohio, in which using EVs is actually worse than driving a high-mileage gasoline car.

The eleven most ‘climate-friendly electricity states’, including Washington, Oregon, Connecticut, Idaho, Vermont, New York, New Jersey, New Hampshire, South Carolina, California, and South Dakota, use such a high proportion of clean energies, such as hydropower, nuclear, wind, and solar, that EVs are the best option, even considering their manufacturing carbon cost. Electric grids are so clean in some states that EVs record amazing mpg equivalents of over 2,600mpg in Vermont, 380mpg in Washington, 280mpg in Idaho, and 200mpg in Oregon.

By. James Burgess of Oilprice.com




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Leave a comment
  • Slim on August 12 2013 said:
    I wonder if we only looked at the environmental nature of electricity in 50 States would the EV's do better.
  • SteveEV on August 13 2013 said:
    Since so many EV owners have installed solar collectors for their power needs, does it really matter where they live? They have already created for themselves the cleanest and least expensive transportation option in each of the fifty states I can identify.
  • kevin on August 13 2013 said:
    so if an EV is driven more than 50,000 miles it is the cleanest option in all states? Pointless article since all cars are driven more than 50k miles.

    The artile aslo doesnt take into account the shift to cleaner energery. It calls this out but doesnt factor it into the equation. If I buy an EV today, even in a dirty energy state, 5 years from now that state's energy will be more green.
  • David Hrivnak on August 14 2013 said:
    The study had MANY wrong assumptions that bring the study into question. They over estimate the weight and the materials in the EV while underestimating the materials in a traditional automobile. Also notice the study is for 50,000 miles. Most car last at least double that. The oil industry is ramping up for a full assult on cleaner running cars which we can power ourselves. That is something they do not want us to do.

    Like many EV owners the solar panels are being installed so I can power both the house and the car from the sun. Just try and make your own gasoline.

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