如果希望某种技术在商业利用方面切实可行，首先在物料的预处理方面要求所得到的中间产品必须是容易发酵的糖份，产量高，浓度也较高，而且技术的实施成本还不能过高，还有生产过程中更不能使用有毒物质，不可以耗费太多能源，最后，所生产出来的草料油在价格方面必须能够与传统汽油一争高下。

They should not use toxic materials or require too much energy input to work. They must also be able to produce grassoline at a price that can compete with gasoline.

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汽油的油蒸汽挥发达到一定浓度极限，正好与拨打、接听过程中出现的火花极易引起爆炸。

Gasoline vapor volatile developed to a certain concentration limit, just with the call, answer the process of sparking easily cause explosion.

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