White House gives EPA 30 days to clarify vehicle repair rules

A new White House memorandum gives the Environmental Protection Agency a 30-day deadline to explain how vehicle owners can repair emissions systems without crossing Clean Air Act limits.

The June 29 presidential memorandum directs EPA to issue guidance on “what actions individuals may take on their own vehicles to conduct emission repairs or have emission repairs conducted,” consistent with federal law. It also tells the agency to encourage and review alternative certification processes for aftermarket emissions parts.

What the order does

The memorandum focuses on a narrow right-to-repair question: when a consumer or repair shop can use aftermarket parts while keeping a vehicle’s emissions controls legally compliant. The White House says the current recognized certification path runs through the California Air Resources Board and argues that process has created delays for aftermarket-parts suppliers.

The order does not itself rewrite the Clean Air Act. It directs EPA to provide guidance, consider certification assurances for qualified testing organizations, and consider deprioritizing civil tampering enforcement against people who make good-faith repairs intended to return a vehicle to its original configuration.

That last point is limited. The memorandum says it does not create an enforceable legal right or benefit against the federal government, and it must be implemented consistent with existing law and available appropriations.

Why it matters

EPA’s existing enforcement materials say the Clean Air Act and related rules cover certification, tampering, defeat devices, warranty, labeling, maintenance and vehicle alterations. EPA says it may seek civil penalties or injunctive relief for violations involving vehicles and engines.

The practical question now is what EPA’s guidance will say by the late-July deadline. A narrow interpretation could give owners and independent repair shops clearer guardrails for repairs that restore emissions systems to legal condition. A broader interpretation could affect aftermarket-parts manufacturers and state certification systems.

For consumers, the immediate effect is limited until EPA releases guidance. For lawmakers and regulators, the next checkpoint is whether EPA describes specific repair categories, documentation expectations, or testing standards for aftermarket parts.

Sources: White House presidential memorandum, June 29, 2026; White House fact sheet; EPA Clean Air Act vehicle and engine enforcement page; eCFR 40 CFR 1068.101.