This isn't your kindergarten trike

The Pterosail is powered by electric motor and a sailing system

Sail-powered trike

People laughed when they first saw wind sailing, so hold your snickers. The Pterosail may look a little silly at first, but we wouldn't be surprised if it took off.

The custom street-legal tricycle, which Treehugger says can reach 40 mph, is outfitted with an electric motor and full sailing system. And despite the Goldbergian appearance of this contraption, it's no slouch in the tech department: It can convert wind energy into electricity for two 24-volt batteries. Now we just have to keep it away from our 3-year-old.

(Photo: Pterosail Trike Systems)

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