生物柴油被认为对美国农民有利,对美国的能源安全也有益处。油价飙升迫使美国这个石油消费大国开始寻找替代产品,有些人开始购买油电混合动力汽车,而成千上万的运输卡车车主正在迈出尝试性的一步。他们不合得抛弃深爱的重型柴油卡车,于是开始尝试给爱车加注一种新型燃料:生物柴油。 Biodiesel is considered to be good for American peasants and for U.S. energy security. The soaring oil price has forced the United States, the oil-consuming powerhouse, to start looking for alternative products, and some are beginning to buy hybrid cars and tens of thousands of transport truck owners are taking a tentative step. Instead of abandoning their beloved heavy-duty diesel truck, they started trying to refuel their car with a new type of fuel, biodiesel.