Already there are many alternative fuel vehicles on the market, powered by anything from solar power to natural gas.

市场上已经有很多替代燃料汽车，其动力来源从太阳能到天然气无所不包。

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The powder could also provide a safer, more convenient way to store methane fuel for use in vehicles powered by natural gas.

此外，干水也能为天然气动力汽车提供一种更安全更便利的甲烷燃料存储方式。

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General Motors (GM) announced a 30% fall in car sales in May, compared with a year earlier, as high fuel prices prompted Americans to shun its gas-guzzlers for smaller, more frugal vehicles.

通用汽车宣布5月汽车销售量与上年同期相比下降30%，原因在于高油价促使美国人放弃购买耗油量大的车型，转而购买体型较小且更经济的车型。

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Other creative opportunities being explored include natural gas pumps (hooked up to the home) to fuel natural gas vehicles, and light duty vehicles relying on fuel cells (which manufacturers hope to begin building by 2015).

FORBES: Move up http://i.forbesimg.com t Move down

One frequent question deals with Compressed Natural Gas or Liquified Natural Gas vehicles (Natural Gas Vehicles or NGV) in comparison with tri-Flex Fuel vehicles ( Gasoline, Ethanol, Methanol) vehicles.

FORBES: Governors Press Detroit To Make Natural Gas Vehicles

More and more gas stations nationwide are installing CNG pumps as natural gas vehicles rapidly become the alternative fuel of choice.

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