Energy.gov

The Energy Department's National Lab builds one of the world’s most energy efficient data centers.

Clean energy tax credits are helping create jobs while boosting American manufacturing and innovation.

Last week at the 23rd Annual Energy Efficiency Forum, the Energy Department welcomed six new companies into the Better Buildings Challenge.

Awarded under the Energy Department's Innovation Ecosystem Development Initiative, Fraunhofer TechBridge is using the funding to deliver “U-Launch” awards to services that catalyze growth for promising early-stage cleantech companies.

This infographic highlights some of the ways businesses can save money at each step of the energy supply chain. Many companies can identify low-cost ways to reduce energy costs in electricity generation, electricity transmission, industrial processes, product delivery, and retail sales.

Berkeley Lab's iconic building, the Advanced Light Source — yes, the same one that had a cameo in Ang Lee’s “The Incredible Hulk” -- is getting a cool new roof. Check out the photos of the cyclotron in 1941, and now.

Heating and cooling a building seems like a straightforward task. But many buildings’ heating, ventilation and air conditioning (HVAC) systems waste energy and don’t pay any attention to indoor air quality.

Grant funds help Birmingham cool seven community centers without running up their energy bills.

Temperatures above 100 degrees mean that staying cool and being energy efficient is important to the small town of Oro Valley, Ariz. But finding the funds to do both can be a challenge. It was this heat – and the availability of a federal grant – that Bayer Vella, the town's conservation and sustainability manager, cited as a reason the city is forging ahead with energy retrofits and solar projects.

“Once we began researching possibilities, it didn’t take us long to realize that our best option was geothermal energy."

Five projects will help Dayton, Ohio residents save money and help them to conserve energy.

After 95 percent of Greensburg, Kan., was leveled by a tornado, a major dealership rebuilds to achieve energy savings of nearly 50 percent over similar structures built to code.