Citar:"Electric vehicles also emit substantial amounts of CO2, the only difference being that the exhaust is released at a remove – that is, at the power plant.
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According to this study, a mid-sized electric passenger car in Germany must drive 219,000 km before it starts outperforming the corresponding diesel car in terms of CO2 emissions. The problem, of course, is that passenger cars in Europe last for only 180,000km, on average."