Are electric vehicles better for the climate than gas-powered cars? (MITClimatePortal)

Yes: although electric cars’ batteries make them more carbon-intensive to manufacture than gas cars, they more than make up for it by driving much cleaner under nearly any conditions.

Although many fully electric vehicles (EVs) carry “zero emissions” badges, this claim is not quite true. Battery-electric cars may not emit greenhouse gases from their tailpipes, but some emissions are created in the process of building and charging the vehicles. Nevertheless, says Sergey Paltsev, Deputy Director of the MIT Joint Program on the Science and Policy of Global Change, electric vehicles are clearly a lower-emissions option than cars with internal combustion engines. Over the course of their driving lifetimes, EVs will create fewer carbon emissions than gasoline-burning cars under nearly any conditions…

One source of EV emissions is the creation of their large lithium-ion batteries. The use of minerals including lithium, cobalt, and nickel, which are crucial for modern EV batteries, requires using fossil fuels to mine those materials and heat them to high temperatures. As a result, building the 80 kWh lithium-ion battery found in a Tesla Model 3 creates between 2.5 and 16 metric tons of CO2 (exactly how much depends greatly on what energy source is used to do the heating).1 This intensive battery manufacturing means that building a new EV can produce around 80% more emissions than building a comparable gas-powered car.

https://climate.mit.edu/ask-mit/are-electric-vehicles-definitely-better-climate-gas-powered-cars?utm_source=Anthropocene&utm_campaign=81f36e35d1-EMAIL_CAMPAIGN_2019_10_17_02_17_COPY_01&utm_medium=email&utm_term=0_ececcea89a-81f36e35d1-294527016

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