The Hydrogen Economy - Green Nirvana or a Pipe Dre

[ironman]

The hydrogen economy has been hailed as the one true way forward, the thing that will propel mankind into a future where we live in harmony with nature, with pollution but a distant memory. For once, environmentalists and big business seems to be on the same track. However, significant challenges, perhaps even insurmountable, still lie ahead before the hydrogen economy can become a reality. But do we actually have a choice; are there any alternatives to the hydrogen economy?