If graphene batteries do everything scientists say, they could be a gamechanger

Imagine you’re cruising down the freeway in your new electric car, equipped with the latest graphene battery. You notice you’re running low on juice, so you pull over at a rest stop, plug it in, and head inside to grab a pizza. By the time you’re done and back outside, your car is already nearly charged — and ready for another uninterrupted 300 miles.
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