Swappable butt-packs give concept EV extra features, more range

There are a bajillion smartphone cases out there that come with extended battery packs, as well as all manner of other accessories of varying degrees of usefulness that let you tailor your phone to your needs. So, why not just extend that concept to electric cars? Makes total sense, right? Right!

Rinspeed's Dock+Go concept car is based around the Smart ForTwo electric microcar. The ForTwo is a slick little car, unless you want to a.) drive far or b.) carry a bunch of stuff. The Dock+Go concept solves these problems with a sort of butt implant that you can attach to the back of your car, endowing it with extra batteries, more cargo space, and a third set of wheels.

The Dock+Go concept doesn't stop there, though. The idea is that you'd be able to customize these attachable butt-modules based on your wants and needs. For example, the extra batts could be swapped out with a little range-extending gas engine. Or a fuel cell. Or a mini cold fusion reactor, when we invent those. The extra cargo space could be converted into tool boxes, or even integrated heated boxes for pizza delivery. The possibilities are endless!


As easy as it is to make fun of this idea, I really do like the way it's headed. When you buy a car, you inevitably have to make compromises between cost, features, and efficiency. Wouldn't it be easier if you could just buy a base model, and then add just exactly what you need only when you need it?

The Rinspeed Dock+Go concept will be on display at the Geneva Motor Show in March of next year.

Rinspeed, via Autoblog

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