Emissions & Efficiency

As part of the agreement between the California Attorney General, NTEA, SEMA, and CARB, CARB will formally repeal parts of its ACF regulation, after which NTEA will dismiss its...

Emissions system tampering can come in several forms, all of which are illegal and can result in steep consequences. Instead, there are other ways for fleets to improve and service...

Tampering with aftertreatment devices is still illegal, and the true cost of cheating and deleting can extend far beyond the massive fines you could receive.

ATA, fleet carriers, fuel suppliers, and more wrote to Congress in support of the “Biodiesel Tax Credit Extension Act of 2025,” which would cut costs for biodiesel suppliers and...