That makes comparisons with fossil-fuelled cars almost impossible.

这使得混合动力汽车与传统燃油汽车之间的比较几乎无法进行。

youdao

There is no easy way to compare the efficiency of an electric vehicle—plug-in hybrid or pure electric—with a fossil-fuelled equivalent.

但问题也由此而生，如今并没有一种简单易行的方法能够比较电动汽车（如插座充电式混合动力或纯电动汽车）与传统的燃油汽车之间的系统效率。

youdao

At less than $1 per watt of generating capacity, solar is now the cheapest power source in some sunny places, especially those, like India, that lack fossil-fuelled alternatives.

每发1瓦特电量只需不到1美元，太阳能现在是一些光照充足地区最廉价的能源，尤其是在那些缺少化石燃料替代物的地方，比如印度。

youdao

And electrically powered trains would emit less nasty carbon than fossil-fuelled aircraft.

ECONOMIST: High-speed rail