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#diesel-engines
(2 articles)Trade Policy & Tariffs
High ImpactJul 21, 2026DEF Act Freezes Emissions Standards, Reshaping Trucking Ops
The Diesel Engine Flexibility Act (H.R. 9618), moving rapidly through Congress with bipartisan support, addresses a genuine operational pain point: diesel exhaust fluid (DEF) sensor failures strand co
FreightWaves#diesel-engines#emissions-regulation#trucking-policy
Trade Policy & Tariffs
High ImpactJul 10, 2026EPA Keeps NOx Limits in Place, Eases Implementation Timeline
The EPA released a 477-page proposed amendment to its 2023 heavy-duty truck NOx emissions rule that maintains the core nitrogen oxide reduction targets while softening certain implementation requireme
FreightWaves#epa-emissions#nox-regulations#heavy-duty-trucks