Ｗｈａｔ Ｗｉｌｌ Ｂｅ Ｆｕｔｕｒｅ Ｆｕｅｌｓ？

Today， to Chinese people， theenvironmental protection issueon the country's agenda not onlyconditions the sustainable developmentof economy but also directly relatesto people's life quality. Besides waterpollution， air pollution has been takingaway health and good environment fromthe mankind while the auto emission ac-counts for the biggest contributor to airpollution.

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