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OOIDA Backs CARS Act to Block EPA Mandates on Truck Engine Technology

The Owner-Operator Independent Drivers Association urges lawmakers to support HR 4468, arguing that federal regulations are forcing costly technology shifts before infrastructure is ready.

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Washington, D.C. — The Owner-Operator Independent Drivers Association (OOIDA) has formally urged members of Congress to pass the CARS Act, a bill designed to prevent the Environmental Protection Agency from dictating specific engine technologies for new vehicles. This legislative push aims to protect the ability of professional drivers to choose between diesel, hybrid, and electric powertrains without facing federal mandates that could restrict vehicle availability based on engine type.

The controversy stems from EPA proposals introduced in May, which established stricter emission standards for light- and medium-duty vehicles. These rules are scheduled to phase in between model years 2027 and 2032, effectively signaling a forced transition toward electric vehicles. For the trucking sector, this timeline ignores the current lack of a national charging infrastructure network for heavy-duty trucks, creating a gap between regulatory mandates and operational reality on the highway.

Representative Tim Walberg of Michigan introduced House bill HR 4468 in July, while the Senate counterpart was presented by Senator Mike Crapo of Idaho in October. OOIDA President Todd Spencer highlighted the stakes, noting that the legislation safeguards the engine technologies small-business truckers rely on for their livelihoods. A letter sent to Walberg on December 4 criticized the EPA’s regulatory approach, describing it as a "blitz" that attempts to force truckers into purchasing costly alternative vehicles without addressing fundamental reliability and affordability concerns.

What This Means for Drivers

For the CDL-A driver or the independent owner-operator, the CARS Act represents a defense against purchasing decisions being made by federal agencies rather than by the operator’s own financial analysis. If the EPA successfully mandates specific technology types, trucking companies hiring new fleets may be forced to buy vehicles that do not fit their specific route profiles or cargo requirements. This could lead to higher upfront costs for electric models that lack the necessary charging support for long-haul OTR truck driver routes. Maintaining the freedom to choose diesel engines ensures that vehicle depreciation and maintenance costs remain predictable for those running their own businesses.

Industry Reaction

OOIDA’s position aligns with a broader industry sentiment that clean air priorities must not come at the expense of vehicle reliability and affordability. The association argues that new technology cannot be publicly mandated until the public and the industry are ready to receive it. By supporting the CARS Act, OOIDA is challenging the view that executive orders can override market readiness, a stance likely to resonate with many independent operators who feel overlooked in current regulatory discussions.

Key Points

  • HR 4468 blocks the EPA from mandating specific engine technologies for new vehicles.
  • EPA emission standards for light- and medium-duty trucks are set to phase in from 2027 to 2032.
  • OOIDA cites the absence of a national heavy-duty charging network as a primary obstacle to electric adoption.
  • Representative Tim Walberg and Senator Mike Crapo are the primary sponsors of the CARS Act.

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Photo by Edward F. on Pexels

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Dave Kowalski
Owner-operator and industry commentator. Runs his own flatbed operation out of Ohio.