此外还有燃料电池汽车。
一些人甚至梦想用天然气制造氢，用以提供燃料电池汽车的动力，但支持者们承认这个方向上还有很长的路要走。
Some even dream of using natural gas to make hydrogen which would power fuel-cell cars, though advocates admit that these are still a long way off.
一些人甚至梦想用天然气制造氢，用以提供燃料电池汽车的动力，但支持者们承认这个方向上还有很长的路要走。
Some even dream of using natural gas to make hydrogen which would power fuel- cell cars , though advocates admit that these are still a long way off .
一些人甚至梦想用天然气制造氢，用以提供燃料电池汽车的动力，但支持者们承认这个方向上还有很长的路要走。
Some even dream of using natural gas to make hydrogen which would power fuel- cell cars , though advocates admit that these are still a long way off .
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