Clean, green machines: The advent of the carbon-lite economy

Clean, green machines: The advent of the carbon-lite economy

Wild Card's progress: nominated

The source of this Wild Card: 
http://www.sigmascan.org/Issue/ViewIssue.aspx?IssueId=21&SearchMode=2

Wild Card's description 
Breakthroughs in alternative energy sources may end fossil fuel dependence. Likely candidates to replace fossil fuel include nuclear (fusion and fission), hydrogen, biomass and other renewables and increased energy efficiency.