| 单词 | fuel efficiency |
| 释义 | fuel efficiencyDefinition That proportion of energy released by a fuel combustion process which is converted into useful work. For vehicles, it is measured in miles per gallon or kilometers per liter. Use 'fuel efficiency' in a SentenceThe fuel efficiency of the dump truck was better than expected and for a two wheel drive vehicle it drove well off road. You should try to get machinery or vehicles that have good fuel efficiency to save your company money in the long term. The President recently signed a law that requires all cars to have a fuel efficiency of at least 54.1 miles per gallon by the year 2025. |
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