美国一家卡车公司和一家运输公司合作,历时三年,研制成功一种高效节能新型卡车。这种被誊为“明天卡车”的节能车已公开展出并进行了64820公里的试车。试车表明每公升燃料油可行驶33.6公里,时速为55公里,比平常行车吨效提高30%。该车的特点是:没有离合器踏板。变速 A trucking company in the United States, working with a shipping company, lasted three years to develop a new energy-efficient truck. The energy-saving car, which was named “Tomorrow’s Truck,” has been on public display and 64,820 km of test run has been carried out. Test run showed that 33.6 km per liter of fuel oil can travel at a speed of 55 km, 30% higher than the average tonnage of traffic. The car’s features are: no clutch pedal. Variable speed