Battery-powered cars and trucks tend to be far heavier than their gas-burning counterparts. That extra bulk translates into a mixed bag of benefits and concerns,.
All things being equal, choosing an electric vehicle over one with an internal combustion engine is likely to be a better move for the planet, thanks to motors that don’t spew greenhouse gases while underway.
“What matters is less the average weight than the heterogeneity,” Anderson says. “There could be a window where it’s pretty unsafe to be driving and getting into multi-vehicle accidents.”Consider the GMC Hummer EV, which tips the scales at almost 9,100 pounds, roughly the equivalent of two Chevrolet Silverado pickup trucks. It’s hard to imagine any collision it might be involved in as minor.
On Polestar vehicles, regenerative braking via the motor handles much of the deceleration, including in relatively sudden stopping situations, Christian Samson, head of product attributes, said in an e-mail. Even so, its engineers did not factor that into their equations when deciding how big the brake pads should be.
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