26th Jul 2008 
48 
Fossil fuel will eventually runs out, one of the solutions to the environment problem is switch to biofuel. Biofuel is produced by convernting plants into ethonal. Plants is 100% renewable energy. As long as there is land, water and… [...]
|
||||||
|
|
||||||
|
Copyright © 2012 哲子戲 Philosophist’s Camp - All Rights Reserved 
|
||||||
