The next factor is the energy cost of running, which is the equivalent to miles per gallon in an automobile.
第二个因素是运动能量消耗，相当于汽车每英里消耗汽油加仑量。
When advertising a new car's efficiency, for example, it is more convincing to talk about the number of extra miles per gallon it does, rather than the equivalent percentage fall in fuel consumption.
比如，在宣传新车效率时，引用每加仑汽油多跑的英里数要比引用减少的耗油量的比值要更有说服力。
It's electric drive yields the equivalent of 300 to 600 miles per gallon.
这是电气传动产量相当于300到600英里每加仑。
The EPA standard would be equivalent to 35.5 miles per gallon if all reductions came from fuel economy improvements.
如果所有减排来自于燃料经济性提高，EPA标准相当于每加仑行驶35.5英里。
The EPA standard would be equivalent to 35.5 miles per gallon if all reductions came from fuel economy improvements.
如果所有减排来自于燃料经济性提高，EPA标准相当于每加仑行驶35.5英里。
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