fuel cells

Focus on renewable energy leans toward types and delivery systems; solar, wind, geothermal, fuel cells, photovoltaics and turbines, for example.

But the concept of renewables can extend to the materials that make these delivery systems. That is where green chemistry comes into play.

As of the end of 2008, the total wind energy capacity of the US rose by 50% to 25,170 MW -- enough to power around 7 million homes and equivalent to curbing 44 million tons of greenhouse gas emissions.

 

The U.S. is now first among nations for wind power capacity.  Germany is second, with 23,903 MW at the end of 2008. 

A new report today released by the National Hydrogen Association (NHA) concludes that hydrogen fuel cars must be part of the mix if the United States is to meet its commitment to reducing greenhouse gas emissions by 80% below 1990 levels by 2050.

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