But for areas of the country or the world that have a surplus of woody type fuel, wood-gas offers a good alternative to petroleum.

但是如果一个国家或世界某个地区有过多的木质燃料，不妨把木材气体作为一种不错的替代品。

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This type of ethanol refers to fuel made from waste, wood, plants and other products, as opposed to the now widely produced corn ethanol.

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