Shanghai company starts small with hydrogen-powered car

Enlarge	By Elaine Kurtenbach, AP
Taras Wankewycz, founder of Horizon, prepares for a demonstration of the company's hydrogen-powered model car.

SHANGHAI — It's a dream that's been pursuedfor years by governments, energy companies and automakers so farwithout success: Mass-producing affordable hydrogen-powered cars thatspew just clean water from their tailpipes.

So Shanghai's Horizon Fuel Cell Technologies decided to start small. Really small.....