15 cool energy projects of 2011

Solar trains, plane, automobiles and even spacecraft among advanced 2011 undertakings
  • 1 of 16

There have been some challenges for the alternative energy world this year as the economies of many countries continue to be sluggish, keeping some large projects on the back burner. Still, a number of interesting developments took place this year, here’s a look at some of them.

Advanced energy research projects are hot

Cheap power: An overnight revolution

10 hot energy projects that could electrify the world

Return to slideshow
Join the discussion
Be the first to comment on this article. Our Commenting Policies