Solar-powered lights make a dramatic difference in the lives of Tanzanians who had no electricity. Rachel Ambrose/Courtesy of Off-Grid Electric hide caption
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energy
Friday
Tuesday
One of the sites for the Department of Energy's Strategic Petroleum Reserve lies within salt caverns 2,000 feet below the ground near Freeport, Texas. Jeff Brady/NPR hide caption
Low Oil Prices Fuel Reconsideration Of Petroleum Reserves
Sunday
U.S. Energy Secretary Ernest Moniz takes part in a press conference at the end of the 2015 meeting of the International Energy Agency Governing Board on Nov. 18, 2015 in Paris. ERIC PIERMONT/AFP/Getty Images hide caption
Energy Secretary Ernest Moniz Says Government Can Help Clean Energy Innovation
Saturday
The sun sets over Alexandria, Egypt. The Brits brought daylight saving time to Egypt, but the country is currently DST-free. Peter Langer/Design Pics/Corbis hide caption
Friday
Nevada Solar Power Business Struggles To Keep The Lights On
Saturday
A world in light and dark: This satellite view shows where electric lights are in high usage. Buyenlarge/Getty Images hide caption
Monday
Rob Oberg delivers oil to a home in south central Vermont. He works for Keyser Energy in Proctor, Vt., which provides heating fuel to about 5,000 customers. Nina Keck/Vermont Public Radio hide caption
Homeowners Who Played The Odds On Oil Heating Costs Lose Out
Friday
The Heartland Biogas facility in Weld County, Colo., is one of the country's largest waste treatment plants that converts methane to natural gas. Rebecca Jacobson/Inside Energy hide caption
From Poop To Power: Colorado Explores New Sources Of Renewable Energy
Tuesday
Onlookers come to admire the self-proclaimed "Miracle on 34th Street" in the Baltimore neighborhood of Hampden. But not every country has as much electricity as America does. Patrick Semansky/AP hide caption
Tuesday
The University of Toronto's solar-powered pond aerator could help fish farmers in Bangladesh earn up to $250 of extra income a year. Courtesy of Powering Agriculture and University of Toronto hide caption
Tuesday
At a brick kiln in India's rural state of Uttar Pradesh, workers use solar lanterns to illuminate their paths. Rubén Salgado Escudero/National Geographic hide caption
Monday
OPEC oil ministers met Friday in Vienna but failed to agree on whether to set new production limits. Ronald Zak/AP hide caption
Friday
Coal fires burn early in the morning in January 2014 at a privately owned coal mine in India's Jharkand state, making the air dense with noxious smoke and dust. Forty percent of India's mineral wealth lies in Jharkhand. Johnny Haglund hide caption
Monday
A coal-bed methane well sits abandoned in a pool of water outside Gillette, Wyo. It's more expensive than it looks to clean up. Stephanie Joyce/Wyoming Public Radio hide caption
With Abandoned Gas Wells, States Are Left With The Cleanup Bill
Thursday
