Jeff BradyJeff Brady is an NPR National Desk Correspondent based in Philadelphia. He covers the mid-Atlantic region and the energy industry.
SolarReserve's Crescent Dunes Solar Energy Plant, located near Tonopah, Nev., features an array of 10,347 mirrors arranged in a circle 1.75 miles across. A 640-foot-tall tower glows when the sun's energy is concentrated and directed to the top.
The coal plant in Shamokin Dam, Pa., is a local landmark that delivered electricity to this region for more than six decades. It closed in 2014. Next to it, a brand new natural gaspower plant is under construction.
Gas prices are displayed at a service station in Leonia, N.J., Nov. 24. Gas is under $2 a gallon across much of the country and the price is expected to remain low next year.
Shell's Jack Pine Mine near Fort MacKay, Alberta. The largest trucks, called "heavy haulers," can hold 400 tons of oil sands material. It takes 2 tons to produce one barrel of oil.