无铅汽油比柴油便宜。

Unleaded is cheaper than diesel.

《牛津词典》

这因为这样，圣地亚哥大学和国内周边的研究人员正在致力于开发第三代生物燃料，这种燃料能直接代替现行的汽油、柴油和喷气式发动机燃料。

Because of this, researchers at SDSU and around the country are pushing ahead to develop third generation biofuels that could be used as direct replacements for gasoline, diesel or jet fuel.

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数十年以来，将原油炼化为汽油，柴油以及其他燃料的微薄收入说服了西方石油巨头们从石油生意中抽身出来。

Decades of poor returns from turning crude oil into petrol, diesel and other fuels have convinced the Western oil giants to get out of the business.

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