Volvo also moved from a seven-wave piston to a 14-wave piston to better mix air and fuel, which helps reduce soot and NOx. A ...
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EPA targets DEF-related derates in diesel trucks
The U.S. Environmental Protection Agency is urging truck and engine makers to adjust diesel exhaust fluid (DEF) software to prevent severe power restrictions caused by DEF system faults. Current ...
A long-running diesel equipment headache is getting a regulatory fix in 2026, though the EPA's latest guidance also raises ...
The Environmental Protection Agency said Tuesday it plans to eliminate diesel emissions requirements for farm equipment, arguing the move will reduce costs and mechanical burdens for farmers already ...
WHAT’S HAPPENING TODAY: Good afternoon and happy Tuesday, readers! It’s yet another hot day here in Washington D.C., and we hope you’re all staying cool and hydrated. Luckily, we should be getting ...
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