This paper reviewed gas and diesel oil developing trend of cleanness, and introduced the applying situation of motor clean substitute fuels at home and abroad.

文章综述了国内外汽、柴油清洁化发展历程，并介绍了国内外汽车清洁代用燃料的情况。

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He helps Mr. Rivers whack weeds and clean spiders off the motor boat.

WSJ: A Marine's Death Brings Together

Developed by Intelligent Energy, the global clean power systems company, and Suzuki Motor Corporation, introduced the scooter at the 41st Tokyo Motor Show in October 2009.

FORBES: Suzuki's Fuel-Cell Scooter Survives First Road Test