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International’s S13 Integrated Powertrain has now been approved to run on renewable diesel fuel -- sustainable fuel that can directly replace traditional petroleum diesel.
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New EPA 2027 emissions rules also mean new engine oil specs. HDT recently got an update on their development.
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Fines of more than $525 million have been levied against Hino Motors for falsifying data related to emissions performance by its heavy-duty diesel engines.
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The reelection of Donald Trump raises more questions than clarity about the state of trucking and Phase 3 Greenhouse Gas Emission regulations.
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Disquiet over the emissions regulations for heavy trucks boiled over into something like an outright revolt this past year. Here’s a look back at what happened.
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Why does CARB seem so reluctant to designate renewable natural gas as a clean truck fuel for long-haul trucking fleets? HDT asked NACFE analyst Kevin Otto for his thoughts.
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Low-carbon fuels are in the spotlight as California’s Air Board and Energy Commission prepare to review policies and update guidance.
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Volvo Trucks North America has released a CARB 2024 Omnibus compliant heavy-duty diesel engine for fleets working or traveling to California.
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Cummins says fuel savings of 2.76% were returned in the first SAE J1321 (Society of Automotive Engineers) standardized fuel consumption testing of its new Jacobs cylinder deactivation technology for diesel truck engines.
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Zonar has been awarded a California Air Resource Board executive order for Clean Truck Check on-board emissions diagnostic testing.
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