LAS VEGAS, Nevada -- Bike maker Craig Calfee has found a way to grow bicycle frames in a field, with sunlight and water.
He makes them out of bamboo.
"It's like bonsai basically," said Calfee, who is based in Santa Cruz,
California. "If you grow it in the shape you want it, it's by far the
strongest way to get it in the shape you want it."
The bike is comparable in weight to an aluminum bike, Calfee said, but offers better performance. Plus it appeals to consumers who want to buy green -- a rapidly expanding market.
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