Noon Energy sucked in $28 million Series A to store excess wind and solar energy using reversible fuel cells powered by carbon dioxide.
<img src="http://www.crunchgear.com/wp-content/uploads/2009/06/ngk_fuell_cell-620x888.jpg" />
Fuel cell technology is evolving at a rapid speed, it seems. In March, for example, Toshiba revealed <a h