Electric Power-train Firm Eyes China's Buses

More than a million buses ply China's streets and rural roads, burning diesel and spewing soot and greenhouse gases into the air.

Marvin Bush wants to electrify them. His Menlo Park startup, Adura Systems, has developed an electric power train for buses and other heavy-duty vehicles. A vehicle's power train contains all the components that generate power and deliver it to the wheels.

Adura, running in stealth mode since its founding two years ago, has signed a testing agreement with a Chinese technology center that helps set the country's standards for automotive equipment. Adura also is negotiating with a Chinese bus manufacturer interested in the technology.

With Adura's power train, a bus can travel 100 miles between charges, Bush said. Hook up the power train to a hybrid engine, and a bus traveling 130 miles in a day can get fuel mileage of 50 miles per gallon.

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