05 Oct '12, 5pm

Electric Cars Only as Green as the Electricity Powering Them, Another Study Says

Electric Cars Only as Green as the Electricity Powering Them, Another Study Says

A new report on electric cars' environmental impact from the Norwegian University of Science and Technology, highlighted by BBC News , reiterates much of what's been long said: If you power electric cars with dirty electricity the environmental benefits over internal combustion vehicles drops considerably. The longer you keep an electric vehicle, a function of battery life and the cost to replace old batteries, the greater the environmental benefits over gasoline or diesel vehicles. That noted, the new report does offer some interesting latest stats on the life-cycle environmental impact of electric cars versus diesel and gasoline-powered cars that are worth committing to memory. In terms of production, the report found, electric vehicles actually are about twice as harmful as internal combustion vehicles, due to the materials used in batteries and electric motors. As far ...

Full article: http://www.treehugger.com/cars/electric-cars-only-as-gree...

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