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Although the carbon emissions caused by the manufacturing of an electric car is greater than those for a gasoline car, the amount of carbon emissions for the total lifecycle of an electric car are on average half those of a gasoline car [1, Figure ES-2]. This is calculated using the average U.S. grid emission data. In a country such as Norway, where 98% of our grid is powered by hydro, the greenhouse gas emissions during the operation of an electric car is 99% less than that of a 2014 gasoline-powered car [1, Table 1].

The great thing about electric vehicles is that it makes it possible to greatly reduce emissions as the grid is transformed towards a larger share of reusable energy.

Another great trend is autonomous driving, which will enable a reduction in the number of cars by having cars as a service at a lower price. Fewer cars will mean that cars can be built better and last longer, as they can be more expensive. As long as these cars are electric and powered by renewable energy, the potential to reduce emissions compared with the current situation should be large.

[1] http://www.ucsusa.org/sites/default/files/attach/2015/11/Cle...



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