Namely, consumers and regulators want more efficient vehicles, but they don't want to give up any of the increased safety and convenience features we've all come to rely on.

换句话说，就是顾客和政策法规制定者需要更高效的汽车但同时他们也不想放弃任何一个我们已然离不开的高安全性和舒适度特性。

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Its only determinedopponents are American carmakers, and even they are haggling not overthe principle of more efficient vehicles, but over the scope andambition of the new standards.

唯一的坚决的反对者是美国的汽车制造上，即使是他们，所争论的也不是关于更高效的汽车的标准，而是这一新标准适用的范围。

youdao

It was uncommon to find means of transport that were more efficient than walking but less technologically advanced than motor vehicles.

"很少能找到比步行更有效率但是在技术上不比机动车先进的交通工具。

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Lawmakers boasted of more efficient vehicles, less dependence on foreign oil, cleaner fuel sources and punishment for oil companies that dared to engage in price gouging.

FORBES: Magazine Article

And by setting a single standard in place, rather than a tangle of overlapping and uncertain rules, auto companies will have the clear incentive to develop more efficient vehicles.

WHITEHOUSE: Promoting Cleaner, More Efficient Vehicles

Ford, GM and Chrysler were caught flat-footed when US consumers began switching en masse to smaller, more fuel efficient vehicles.

BBC: Fresh troubles for US car giants