April 22, 2016, 6am PDT
The United States reached a milestone in solar panel installation earlier this year, after 40 years of the industry attempting to gain a foothold. Now the industry is preparing for "warp speed."
August 15, 2014, 10am PDT
It could be as low as nine cents per gallon, or as high as 76 cents, writes UC Berkeley energy expert Severin Borenstein. On January 1, transportation fuels are included under California's landmark cap and trade program.
January 4, 2011, 8am PST
Four billion pounds of old carpet get dumped every year in the United States, and five pounds of oil goes into producing a single pound of nylon. New recycling methods could save all that oil by producing new nylon from old with little energy cost.
December 8, 2010, 5am PST
Alternating current (AC) beat out direct current (DC) because it worked well over short distances. But direct current is significantly easier to control on a smart grid and travels better, says Herman J. Trabish.
September 25, 2010, 5am PDT
In 15 years, the number of cars on the road worldwide is expected to hit 2 billion. Dan Sperling thinks focusing on electric vehicles and low carbon fuel standards will allow us to hit number and survive.
May 4, 2010, 12pm PDT
'Waste heat' is a hot area of research as an alternative energy source. Providers say they can turn excess heat produced by machines in factories into clean electricity.
December 31, 2009, 9am PST
The current means of generating hydrogen for fuel results in a release of carbon dioxide emissions. Researchers think aluminum may be the solution to the pollution.