Def Leppard solidified their place in the rock-legend pantheon with Hysteria, a diamond-selling behemoth that functioned as a veritable greatest-hits set. The album spun off Top 10 hit after Top 10 ...

Just in time for Def Leppard's summer "Stadium Tour" with Motley Crue, Poison and Joan Jett in tow, the Joe Elliott-led English rockers behind 1987's "Pour Some Sugar on Me" have launched a new ...

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...

DEF: Those initials may have caught your eye at the auto parts store, dealership or even your local gas station. And if you happen to have a modern diesel car or truck, you may even have added to your ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

The modern world relies on vehicles of all kinds for everything from personal transportation to the facilitation of international trade. These vehicles — which range from passenger cars and SUVs to ...

The anthems will be loud and frequent when Journey and Def Leppard take a spin through stadiums this summer. The rock powerhouses are teaming for a 23-city tour that will kick off July 6, 2024, at ...

Def Leppard had no idea what a monumental task was ahead when they began to write for the follow-up to their 1984 multi-platinum breakthrough Pyromania. The album would eventually survive through four ...

The rockers, currently on tour with Mötley Crüe, open up about life at home in this week's issue of PEOPLE Rachel DeSantis is a senior writer on the music team at PEOPLE. She has been working at ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...