A friendly reminder that bigger is not always better when it comes to EVs

For no reason at all, today seemed like a good day to reflect on where our obsession with supersized SUVs and trucks has taken us and where it's headed with the shift to electric vehicles.

I'm kidding, of course. Because today was the day that GM unveiled a brand-new Cadillac Escalade - only this one is electric! The Escalade IQ looks every bit as stately and luxurious as its gas-powered predecessor and is sure to be the EV of choice for wealthy people to be chauffeured around their city of residence.

But big SUVs like the Escalade come with major tradeoffs. And when you throw an equally large lithium-ion battery into the mix, those tradeoffs start to erode the environmental benefits of driving an electric vehicle.

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