你这也太民科了,直接就assume电动机和汽油机能源效率一样? 再说了,发动机效率0.8-0.85? 读读wiki: http://en.wikipedia.org/wiki/Fuel_efficiency Diesel engines generally achieve greater fuel efficiency than petrol ( gasoline) engines. Passenger car diesel engines have energy efficiency of up to 41% but more typically 30%, and petrol engines of up to 37.3%, but more typically 20%. T 电动机的效率倒是好像高多了。
【在 a*o 的大作中提到】 : 你这也太民科了,直接就assume电动机和汽油机能源效率一样? : 再说了,发动机效率0.8-0.85? 读读wiki: : http://en.wikipedia.org/wiki/Fuel_efficiency : Diesel engines generally achieve greater fuel efficiency than petrol ( : gasoline) engines. Passenger car diesel engines have energy efficiency of up : to 41% but more typically 30%, and petrol engines of up to 37.3%, but more : typically 20%. T : 电动机的效率倒是好像高多了。
【在 a*o 的大作中提到】 : 你这也太民科了,直接就assume电动机和汽油机能源效率一样? : 再说了,发动机效率0.8-0.85? 读读wiki: : http://en.wikipedia.org/wiki/Fuel_efficiency : Diesel engines generally achieve greater fuel efficiency than petrol ( : gasoline) engines. Passenger car diesel engines have energy efficiency of up : to 41% but more typically 30%, and petrol engines of up to 37.3%, but more : typically 20%. T : 电动机的效率倒是好像高多了。
a*o
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总算找到点数据: http://en.wikipedia.org/wiki/Electric_car Typically, conventional gasoline engines effectively use only 15% of the fuel energy content to move the vehicle or to power accessories, and diesel engines can reach on-board efficiencies of 20%, while electric drive vehicles have on-board efficiency of around 80%.[92] 电动车能源效率是汽油车的5倍还多,电动车是未来方向肯定是没错的,就是现在电池 技术还是不过关,纯电动充电也是个问题,慢慢会解决的。