Def Leppard's new single “Rejoice," released to promote the band's upcoming Las Vegas residency, immediately hits the top 10 ...

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 ...

When diesel-powered trucks sit idle for extended periods, it’s easy to overlook the condition of the diesel exhaust fluid (DEF) in the tank. However, DEF has a limited shelf life, and using expired ...

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 ...

In 2007, as many truck and engine makers started announcing they would use selective catalytic reduction to meet 2010 federal emissions regulations, a new term entered our trucking dictionary: diesel ...

Def Leppard played their first show with the “new guy” – guitarist Vivian Campbell – On April 15, 1992. He'd already carved out a successful career in rock prior to his role in Def Leppard, and also ...

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts. Def Leppard has outlived so many of the hard rock and heavy metal ...

We've been enjoying our long-term 2020 Jeep Wrangler Rubicon equipped with the long-awaited 3.0L EcoDiesel. In day-to-day life it's been everything we'd hoped for, knocking down solid mileage numbers ...

Diesel, once a bastion of the future and a savior of fuel economy, has found itself in a very different place since the industry-shaking Diesel Gate incident of 2015. It went from what was seen as the ...

Def Leppard had always aimed to be a big deal. Their iconic 1987 album, Hysteria, had been a giant of an LP, breaking sales (and length) records, and propelling them to where they’d always wanted to ...

When Russell Simmons first met Rick Rubin, he couldn’t believe his eyes. Simmons was at a New York party in 1984 with a hip-hop DJ named Jazzy Jay, who had just released a single with T La Rock called ...

The Def Jam label holds an almost mythical status within hip-hop. How come? After all, it was far from the first to put out rap music and, though it released numerous seminal records (Run DMC, Public ...