乙醇需求增长(2)
乙醇需求的增长不仅仅让农民看到了希望也让能源产业看到了曙光http://t1.g.hjfile.cn/voasp/rm/2007/03/20070313.mp3In the United States, vehicles that run on pure ethanol are rare. But most cars can run on a mixture of gasoline and ten percent ethanol. Some states require an ethanol-gas mixture to cut pollution.Yet the use of an important food crop for fuel has led to concerns. Ethanol now makes up abou…
页:
[1]