The test results show the LPG/diesel double fuel engine can obtain similar performance to a diesel engine.

试验结果表明，液化石油气-柴油双燃料发动机可得到与柴油机相类似的性能。

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In this power station, the double paraboloid solar collector was adopted, and a fossil fuel fired conventional boiler was installed to provide steam for turbine generation during less sunshine times.

该电站采用了双抛物面的集热器，还安装有一台燃烧矿物燃料的常规锅炉，在日照时间少时，用来生产蒸汽供汽轮机发电。

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Experimental investigation results from an injector group of double fuel for a heavy-duty gas turbine were presented.

概述了某重型燃气轮机双燃料喷嘴组油路的流量及雾化特性试验研究结果。

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The expiration of that credit helped fuel a double-dip in home prices.

FORBES: How The New Higher Tax Rates Will Affect Luxury Housing

In his first term, he struck a deal with automakers to double fuel economy standards.

NPR: PROMISES, PROMISES: Climate Change

The process will not be truly carbon-neutral (for that, the CO2 would have to come out of the atmosphere, and if the algae could use only the limited amount of the gas in natural air, they would not grow fast enough) but each carbon atom will have been made to do double duty in a fuel before it finally escapes.

ECONOMIST: Biofuels from algae: Craig's twist | The