In late December 2007, green-ies were almost willing to give famously anti-environmental George W. Bush a bear hug for signing into law the first revision of vehicle fuel-efficiency standards since leisure suits were the rage. Committing the U.S. car and truck fleet to a 35-mile-per-gallon average by 2020 Is considered the biggest single step the climate-challenged United States has ever taken to reduce its greenhouse-gas emissions.
展开▼
机译：在2007年12月下旬，绿色环保组织几乎愿意给以环保着称的乔治·布什（George W. Bush）一个拥抱，因为休闲装风靡一时，该法案签署了对汽车燃油效率标准的首次修订。到2020年，使美国汽车和卡车车队的平均油耗达到每加仑35英里，这被认为是气候变化挑战美国减少温室气体排放量的最大步骤。
展开▼
