( Imagine if all the vehicles in the worl...)Pollution Free Hydrogen based fuel for Energy ,Health

Imagine if all the vehicles in the world could run using a pollution free energy source.// This is no science fiction. Researchers from Stanford are just working towards this solution to look at making hydrogen fuel cells. Hydrogen would be pumped into fuel cells and the hydrogen would reacts with oxygen to produce water and energy. A chemical reaction rather than a combustion mechanism and this would be pollution free. A similar mechanism is already followed by plants to make energy by the process of photosynthesis.

Stanford researchers in the article on June 24 in the journal Science say that that such a conversion "would improve air quality, health and climate"-especially if wind were used to generate the electricity needed to split water and make hydrogen in a pollution less process".

"Converting all the current vehicles to fuel cell vehicles powered by wind would save 3,000 to 6,000 lives in the United States annually, and it could be done at a fuel cost thats comparable to the cost of gasoline, and less than the cost of gasoline when you consider the health effects of gasoline," said Jacobson, who has no financial interest in any wind or hydrogen endeavor but whose commitment to clean air.

Mark Z. Jacobson is an Associate Professor and he along with his graduate student Whitney Goldsborough Colella (both in the Civil and Environmental Engineering Department) and Consulting Professor David M. Golden (Mechanical Engineering Department) report that annually such a conversion could prevent millions of cases of respiratory illness and tens of thousands of hospitalizations and save more lives than were lost in the World Trade Center attacks.

The work is sponsored by the Global Climate and Energy Project at Stanford and by NASA, the Science study compared emissions that would be produced in five cases--if all vehicles on the road were powered by:
1) conventional internal-combustion engines, 2) A combination of
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