一种从大豆或饭店回收的油脂中提炼并生产出的名为生物柴油的能源受到消费者的欢迎。这种柴油可取代汽油用于汽车等交通工具，而且较汽油燃烧更为充分，具有提高能源利用率，减轻尾气污染等优点。更为重要的是，使用生物柴油将减轻对石油的依赖，减少由于石油价格的波动带来的 An energy source called biodiesel, refined and produced from the oils recovered from soybeans or restaurants, is well received by consumers. This diesel can replace gasoline for vehicles such as transport, but also more fully burn gasoline, with improved energy efficiency, reduce emissions and other advantages. More importantly, the use of biodiesel will reduce its reliance on oil and reduce the impact of fluctuations in oil prices