SIOUX FALLS, S.D. (KELO) – For the second year in a row, dry days and bare ground dominated our winter. We were unable to sustain a season long snowpack, and much of KELOLAND has persisted in drought ...

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 ...

When it comes to equipment, one of the biggest complaints truck drivers have is with diesel exhaust fluid (DEF). It’s a gripe the Environmental Protection Agency has been hearing and addressing. DEF ...

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 ...

Pennsylvania House Democrats withdrew consideration of a resolution honoring March as "National Women’s Month" after a Republican lawmaker filed an amendment to include the physiological definition of ...

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 ...

Unruly Republic: Columnist Barton Swaim argues that Democrats' response to President Trump's attack on Iran is motivated by the Iraq war, appeasing the progressive left, but ultimately brings us back ...

In the 1980s, Def Leppard had hit after hit at rock radio. Fans fell in love with their sound and their songs, regardless of the message in the music. Based in England, from the beginning Def Leppard ...

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 ...

Momentum Over Milestones: Success is not the destination you applaud at the finish line; it is the courage to stay aboard while the landscape blurs, the turns tighten, and the goalpost keeps moving ...

The reviews are in! Months after announcing their Sin City takeover, Def Leppard kicked off its residency at The Colosseum at Caesars Palace in Las Vegas, and fans said it was worth the wait. Running ...