Propane spot prices at Mont Belvieu averaged about $0.70 per gallon in late September, roughly $0.19 lower than in early April.

U.S. natural gas output and demand will both rise to record highs in 2025, the U.S. Energy Information Administration said in its Short-Term Energy Outlook (STEO) on Tuesday.

During World War II, engineers pushed airframes to their limits, mounting enormous cannons on planes designed to hunt tanks, ships, and bombers. From the B-25G’s 75mm cannon to the Hs 129’s ...

This video explores the Stridsvagn 103, Sweden’s groundbreaking turretless main battle tank developed during the Cold War. It examines the unique design that replaced a traditional turret with a fixed ...