Over the last five years, Boeing, the U. S. Air Force and Navy, Honeywell UOP and others have systematically tested and advanced the alternative fuel.

在过去的五年里，波音公司，美空军、海军，霍尼韦尔环球石油公司等都已经系统性的测试并完善了这些新能源。

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Ethanol is the alternative fuel that could finally wean the U. S. from its expensive oil habit and in turn prevent the millions of tons of carbon emissions that go with it.

乙醇是一种最终将让美国放弃使用昂贵的石油习惯的替代性燃料，从而能防止石油所产生的大量二氧化碳排放。

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Gunnar Lindstrom, who is charged with marketing Honda's alternative fuel vehicles in the U.S., believes that by 2020 six fuels will split the market: gasoline, diesel, biofuels, hydrogen, natural gas and electricity, perhaps working side by side in a single vehicle.

FORBES: Engineers Rule