
The Tesla Cybertruck never got the range-extending battery option the carmaker advertised way back when. But thanks to the ingenuity of a crack team of electric-vehicle nerds, at least one Rivian R1T now sports such an upgrade.

The Tesla Cybertruck never got the range-extending battery option the carmaker advertised way back when. But thanks to the ingenuity of a crack team of electric-vehicle nerds, at least one Rivian R1T now sports such an upgrade.