American automobiles must meet a federally mandated fuel-efficiency standard of 54.5 miles per gallon by 2025.

到2025年，美国汽车必须符合联邦法律规定的每加仑燃油行驶54.5英里的燃油经济性标准。

youdao

The paper brings out policy suggestions on cooling storage air conditioning tariff system, efficiency standard and distributed energy on power network.

对限制室内外温差、建立蓄冷空调电价体系、制订常规空调能效等级标准和分布式能源电力上网等提出政策建议。

youdao

Energy efficiency standard role in the fair competition market environment has its inductive role and is the technology assurance of the project's complement.

能源效率标准在公平竞争的市场环境中发挥对消费的引导作用，是示范项目顺利实施的技术保障。

youdao

So last year, we established a groundbreaking national fuel efficiency standard for cars and trucks.

WHITEHOUSE: America��s Energy Security

In fact, they will save money because a higher fuel efficiency standard obviously uses less fuel and ultimately costs less money to operate.

WHITEHOUSE: Press Briefing

Last year, after going about 30 years without raising fuel-efficiency standards, we finally put in place a national fuel-efficiency standard for cars and trucks.

WHITEHOUSE: President Obama on the Green Fleet Initiative