With Tesla Superchargers popping up everywhere and even battery swap becoming a reality, this idea’s time may never come to Tesla…so perhaps it’s aimed at smaller battery EVs. The Ep Tender is a small trailer that rides behind an EV on long trips. The Tender is generating electricity via a gas powered generator (think what the Volt has internally already) while you drive so your battery never runs out of juice. When you go back to normal driving, the Tender stays in the garage.

One big problem that comes to mind immediately is that most EVs aren’t programmed to charge while driving. Even if you can over-ride that system, is it worth having a motor trailing behind or maybe spend a few extra minutes extra at the charging stations?


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