- energy, as electricity or nuclear power, that does not pollute the atmosphere when used, as opposed to coal and oil, that do.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for clean energy
But it is Dooley who is driving the train, preaching the clean-energy gospel to other Tea Party groups.The Green Tea Party: Debbie Dooley Battles Big Energy
September 16, 2013
As the owner of the panels, SolarCity also reaps the valuable tax credits associated with clean-energy production.Elon Musk-Backed SolarCity Thrives in Solar Power Sector
May 14, 2013
One reason: many red states would benefit economically from the construction and growth of clean-energy infrastructure.Is Washington Ready to Act on Climate Change?
November 9, 2012
For clean-energy evangelists, big business has long been the bad guy.Corporate Giants Are Leading the Solar Charge
September 12, 2012
Sen. Mike Enzi opposed the stimulus law that President Obama used to fund his clean-energy initiative.Senator's Clean-Coal Bonanza
Steve McVicker, Daniel Stone
November 3, 2011