a superior technology is known for several years, but still can't make ends meet http://www.forbes.com/sites/michaelkanellos/2013/01/31/why-are-portable-fuel-c

a superior technology is known for several years, but still can't make ends meet http://www.forbes.com/sites/michaelkanellos/2013/01/31/why-are-portable-fuel-cells-such-a-flop/ http://www.forbes.com/sites/michaelkanellos/2013/01/31/why-a...