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。
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。
The big economic difference between nuclear and fossil-fuelled power stations is that nuclear reactors are more expensive to build and decommission, but cheaper to sun.
在核和化石加燃料发电厂之间的大的经济差别是建造并且使退役核反应堆更昂贵，但是更到太阳便宜。
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。
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。
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