The idea is that Americans could switch en masse to natural gas vehicles, and the country could stop importing so much oil.

该想法就是，美国可使公众换用天然气汽车，以及国家不用再进口如此多的石油。

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The. Correctness of composite materials shell design theory in cylinders for compressed natural gas vehicles is tested and verified through experiment.

用实验验证复合材料壳体设计理论在天然气汽车气瓶设计中的正确性。

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At present, compressed natural gas vehicles (CNGV) are getting widespread application in China and throughout the world, for the requirements of protecting environment and saving oil fuel.

出于环保和节约石油燃料的需要，压缩天然气汽车(CNGV)目前在我国及世界范围内得到了广泛应用。

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Powering vehicles with clean natural gas is not new.

VOA: standard.2010.02.23

Natural gas vehicles emit up to 90 percent fewer ozone-depleting gases than gasoline-powered cars.

CNN: Natural gas vehicles on a roll in U.S.

The Natural Gas Vehicles coalition wants to see it used more extensively in vehicles.

FORBES: 862 Trillion - Is This The Number To Salvage the US Economy?

Although the U.S. has loads of natural gas, adoption of natural gas vehicles has been spotty.

WSJ: Will Truckers Ditch Diesel for Natural Gas?