驱车走在美国高速公路上,看着周围密密麻麻像小蚂蚁一般整齐行进的车队时,你就不会对美国千方百计地从地球各处争夺石油而感到吃惊了。抛开工业用油不说,每天成千上万辆穿行于公路之上的、大大小小的汽车就要消耗掉巨量的汽油和柴油。尤其是近年来,世界范围内的石油供应紧缺以? As you drove down the U.S. highways and watched the crowds of motorcyclists lining up as small ants as you can, you would not be amazed at the United States’ every attempt to get oil from all over the planet. Do not say that aside from industrial oil, thousands of cars per day on the road, large and small cars will consume huge amounts of gasoline and diesel. Especially in recent years, the world’s oil supply shortage?