Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are.

Easy home improvements to cut your energy bills, and new financial incentives that could help put them within reach.

Adjusting your thermostat at night. The Department of Energy recommends keeping your thermostat at 68-70 degrees during the ...

Under the hood, the HyQ PCI880 leans on insulated-gate bipolar transistors (IGBTs) honed for high-current action. These semiconductor champs use rapid pulse-width modulation to carve an AC waveform ...

Washington residents pay nearly 45% more per gallon of gas than the rest of the country, as WA continues to rank among the top three worst states to fill up your tank. As of Oct. 21, Washington’s ...

Gas prices in Ohio have dropped significantly, with the largest decrease currently in the United States. The price drop is attributed to a switch to a cheaper winter fuel blend and a fall in oil ...

Thankfully, last week’s explosion and fire at California’s second largest refinery, Chevron’s El Segundo plant, was not an environmental catastrophe. But it could have serious economic and political ...

Thankfully, last week’s explosion and fire at California’s second largest refinery, Chevron’s El Segundo plant, was not an environmental catastrophe. But it could have serious economic and political ...

A massive fire broke out at Chevron’s El Segundo refinery in Los Angeles County following an explosion on Thursday night. Californians already face the steepest gas prices in the nation, according to ...

Gas prices stuck at $3.399 a gallon are pictured in Lakewood on Thursday. P-J photo by John Whittaker In many parts of New York state, gas prices have fallen. But not in Chautauqua County. Most of ...

Heat pumps date back to the 1850s and are more energy efficient than furnaces or boilers. Image: Schon via Getty Images. Get the Popular Science daily newsletter💡 ...