EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...
Cummins and PACCAR are updating diesel engine software to give operators more time to address certain DEF-related issues ...
On the heels of clarifying farmers’ right to repair their own equipment, EPA is escalating pressure on diesel engine manufacturers over ongoing Diesel Exhaust Fluid (DEF) system failures the ...
Updated diesel engine software gives truck operators more time to address emissions-system issues while staying compliant ...
Cummins and Paccar are rolling out software updates tied to revised EPA guidance on DEF inducement. The changes aim to ...
The MarketWatch News Department was not involved in the creation of this content. Washington, DC, April 21, 2026 (GLOBE NEWSWIRE) -- The Engine Technology Forum (ETF) today announced the availability ...
The U.S. Environmental Protection Agency, working hand in hand with the U.S. Small Business Administration, is providing relief for any farmer whose tractor has suddenly shut down mid-field, or ...
Cummins is rolling out updated engine calibrations that give truck operators more time to address diesel exhaust fluid (DEF) ...
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EPA moves to force engine makers to fix notoriously faulty diesel DEF systems, citing major savings for farmers
The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel exhaust fluid (DEF) system failures that have disrupted farming, trucking, and ...
I recently read a pretty startling statistic—in the next year, the off-highway engine market will consume about 20 million gallons of Diesel Exhaust Fluid (DEF). In the next five years that number is ...
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