文档介绍：绿色出行 英文版
绿色出行 英文版
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绿色出行 英文版
山东交通学院 2013～ 2014学年第二学期研究生课程考试
课程论文
课程名称: 英语
课程编号: y; other automatics achieve better results, rivaling a “stick” when up to speed、 Compare the figures before deciding, but remember that high mpg with a manual comes only when it’s shifted with some expertise、
1、3 All-wheel Drive
Many cars and minivans are available with all-wheel drive (AWD)、 The AWD systems in cars and minivans is intended as an all-weather traction aid, and not designed for off-road duty、
AWD cars and minivans do tend to use more fuel than their 2-wheel drive counterparts、 This is due less to any added drag placed on the powertrain by AWD as more to the 100 to 200 pounds the AWD system adds to the weight of the vehicle、 But the fuel-mileage difference isn’t pronounced, and while AWD adds to the purchase price of the vehicle, it’s well worth considering if you frequently travel wet or snowy roads、
1、4 Amenities and Fuel Economy
To some people, comfort is a heated leather seat in the winter、 Others take comfort in knowing they’re eking out every last mile from each gallon of gas they consume、
Nearly every luxury amenity adds weight and drains power, both of which are the enemies of fuel economy-and performance、 You’ll either drag down the efficiency of your engine, or have to shell out for a larger, less efficient engine designed to shr