Hydrogen is often hailed as a potential source of unlimited clean power. It can be produced with green algae from water and solar energy through a process called "photo-biological hydrogen production," Although its efficiency is rather low at present, scientists believe, an increase to 10 percent would make this process economically feasible. Significant progress has been achieved by Prof. Zhang Wei and his group at the CAS Dalian Institute of Chemical Physics (DICP) since they took the lead to challenge the problem in China in 2000 with initial support from CAS. Their work has been further funded by the National Basic Science Program (or the 973 Program) in 2004.
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