Electric bikes are all green (colors vary)

Friday, October 16, 2009 - 20:14 in Mathematics & Economics

"Ride up steep hills without huffing and puffing!" "Hammer at 20 mph without breaking a sweat!" At the recent Interbike trade show in Las Vegas, an explosion of companies touted the Lance Armstrong-like powers of the electric bike -- a pedal-powered bike with an electric motor for extra speed when you need it. Although E-bikes haven't caught on in the United States as they have in Europe and Japan, makers say high gas prices, the obesity crisis, better lithium-ion rechargeable batteries and a wave of green consciousness make them right for the times.

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