Necrotic cell death is a fundamental biological process, yet the terminal execution mechanisms of necrosis are still not ...

EPA approved guidance allowing diesel manufacturers to replace urea quality sensors with NOx sensors in DEF systems. The agency said faulty DEF sensors are a significant source of warranty claims and ...

President Donald Trump and the U.S. Environmental Protection Agency announced guidance allowing the removal of the DEF sensor requirement for all diesel equipment. EPA said sudden speed losses caused ...

The U.S. Environmental Protection Agency on Friday said it is dropping the requirement for diesel exhaust fluid (DEF) sensors as part of a truck's aftertreatment system in favor of monitoring actual ...

Depending on who you ask, “DEF” might as well be a four-letter word. The acronym stands for diesel exhaust fluid, a solution that breaks down nitrogen oxides and significantly reduces emissions from ...

Def Con, one of the largest and longest-running hacking conferences in the world, announced on Wednesday that three people linked to Jeffrey Epstein are no longer allowed to attend. The conference ...

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts. Def Leppard kicked 2026 off with a bang by releasing a new single ...

LAS VEGAS – Even if you’ve been to a Def Leppard concert before, you’ve never seen them like this. The enduring British quintet kicked off their 12-show residency at The Colosseum at Caesars Palace ...

Def Leppard kicked off their new Las Vegas residency Tuesday night with a brand-new stage show and a majorly revamped set list. You can see video from the Feb. 3 concert at Las Vegas' Caesars Palace ...

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts. Def Leppard's new single “Rejoice," released to promote the band's ...

Def Leppard has released a high-voltage new song titled "Rejoice." You can listen to it below. The standalone single is being released to celebrate the band's upcoming Las Vegas residency, which kicks ...