A new report puts natural gas ahead of coal in the U.S. energy production portfolio.
Jul 14, 2015 Associated Press via Chicago Tribune
A new type of public workout station harnesses the energy from people exercising and inserts it into the local energy network.
Nov 30, 2014 Inhabitat
Plans to use western rivers to transport oil production equipment are butting against environmentalists' concerns over endangered salmon.
Feb 22, 2011 The New York Times