"CALGARY – It’s been years since David Yager has seen multiple 'For Sale' and 'For Rent' signs in Fort McMurray, the northern Alberta city that is usually crawling with workers from across Canada looking to make a buck in the oilsands boomtown."

"The Energy Department set new efficiency standards for certain light bulbs and commercial ice-makers, which it said would save consumers and businesses billions of dollars."

A look at 2014's winners and losers in the energy sector. Consumers win on lower gasoline prices. Surge of natural gas from fracking helps electric power industry. Competition from natural gas hurts coal. Keystone XL pipeline loses from another year of delay. Ethanol industry loses after meltdown of Renewable Fuel Standard.

"MOAB, Utah — A different kind of spire is jutting into the iconic red rock vistas of Moab."

"U.S. oil drillers idled the most rigs since 2012 as prices slid below $55 a barrel to the lowest level in five years and a fight for market share with OPEC intensified."

"SEATTLE — For the past few years, a growing number of trains have been bringing “rolling pipelines” of oil from North Dakota to ports and refineries in the Pacific Northwest."

The expensive and disastrous failure of Shell's effort to begin offshore drilling in Arctic offshore waters of the Beaufort and Chukchi seas offers a tale of what can go wrong in such Arctic drilling.

"Over the past four years, the Tennessee Valley Authority has decided to shutter more than half of the 59 coal-fired power generators it once operated within its 7-state service territory to cut air pollution and comply with stricter environmental regulations."

"Texas is not Kentucky. Or West Virginia. That's clear to everyone."

"CUBA, N.M. — The methane that leaks from 40,000 gas wells near this desert trading post may be colorless and odorless, but it’s not invisible. It can be seen from space."