EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...

The Environmental Protection Agency (EPA) on Thursday published a proposal to revise regulations for commercial truck nitrogen oxides (NOx) emissions for the 2027 model year, dropping a requirement ...

Cummins and PACCAR are updating diesel engine software to give operators more time to address certain DEF-related issues ...

These two major engine manufacturers are aligning with relaxed EPA guidance related to sudden derates due to DEF/emissions ...

Boeing's Starliner undocks from the International Space Station at the conclusion of the Crew Flight Test mission. Credit: NASA WASHINGTON — A new report links the long-running technical problems with ...

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...

“If you are a mathematician,” one of the world’s leading mathematicians recently wrote, “you may want to make sure you are sitting down before reading further.” And you’ll definitely need to sit down ...

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In case you've faced some hurdles solving the clue, Def!, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure time, and test your knowledge ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

PARIS, Sept 22 (Reuters) - CMA CGM on Monday announced the acquisition of Freightliner UK Intermodal Logistics, a rail logistics specialist, as the French shipping group continues to expand its ...

A firefighter was hospitalized and several others suffered heat exhaustion and dehydration battling a fire at Daimler Truck’s massive Freightliner plant in the Rowan County community of Cleveland on ...