One of the biggest argument haters love to use against electric vehicles (EVs) is the fact that the manufacturing of batteries is bad for the environment. And while it's true that battery production is pretty dirty stuff, even with that negative climate impact, BEVs are still cleaner than internal combustion vehicles over their lifespan. According to a new article in the journal Science, the EV enthusiasts are right: retiring your ICE vehicle (ICEV) for an EV is beneficial for the climate. But the benefits come sooner than you might think, and it's only going to get better.

Previous thinking was that it took some time for an EV's zero-emissions driving to outweigh its manufacturing emissions hit and actually become better for the environment than an ICEV. So the study looked at the lifecycle of an ICEV to see when it makes the most sense to retire it for EV. And by retire, the study means to take it off the road completely, not sell it. Selling it just hands it to another drive who will keep driving it for the rest of its life. As it turns out, the environmental benefits of scrapping an ICEV for a BEV begin immediately. It's even beneficial when swapping hybrids for EVs.

According to the study, "the energy impact benefits from swapping an EV for an ICEV begin to accrue as early as the first day of the life of the ICEV, and that replacement early in the life cycle consistently provides reductions in greenhouse gas emissions," said Science's Jesse Smith.

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