生物燃料的提取来源非常多，但提取自餐厨垃圾的生物燃料被公认为最环保的几种之一。
Biofuels come from many sources and those derived from waste products are considered to be some of the most sustainable.
生物燃料的提取来源非常多，但提取自餐厨垃圾的生物燃料被公认为最环保的几种之一。
Biofuels come from many sources and those derived from waste products are considered to be some of the most sustainable.
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