Electric Cars Not So Green

A new study published in Environmental Science and Technology argues that increased numbers of electric vehicles over the next four decades will not result in a “clear and consistent trend toward lower system-wide emissions.” The reason, of course, is that it takes energy to produce electricity, and much of that energy comes from burning fossil fuels.


Maybe not green enough to be worth the wait.

Of course, we can increase the production of “renewable” electricity. But if we increase the demand for that electricity by driving electric cars, then we’ll still have to burn fossil fuels to supply electricity for other purposes such as light and heat. It might make more sense to use renewable electricity to replace fossil fuels in electrical generation while working to make fossil-fuel-powered cars more energy efficient.

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