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Contacts: Sherri Stone; Rob Underwood

 

House Subcommittee on Environment Lawmakers Urge EPA to Finalize Workable Cargo Tank Vapor Tightness Standard

November 9, 2026 NFCH-26-06
 
Washington, D.C. – November 9, 2026 – Today, members of the House Energy and Commerce Committee’s Subcommittee on Environment sent a letter to EPA Administrator Lee Zeldin urging the Agency to finalize a harmonized annual cargo tank vapor tightness certification standard of 1.0 to 2.5 inches of water pressure drop over a five-minute period and to exercise enforcement discretion while reconsideration of the 2024 gasoline distribution rules continues.

In the letter, the lawmakers commended EPA for reconsidering the burdensome aspects of the air quality standards applicable to gasoline distribution facilities under the National Emission Standards for Hazardous Air Pollutants (NESHAP) and New Source Performance Standards (NSPS) programs, particularly the annual cargo tank vapor tightness certification requirements. They urged EPA, as part of its ongoing rulemaking, to harmonize these requirements across the relevant Clean Air Act programs at the 1.0 to 2.5-inch level.

The members noted that discussions with small-business owners in their respective states highlighted the technical challenges and costly operational changes required to comply with the current 0.5-inch threshold established by the 2024 rule. When certification becomes harder to achieve, more time-consuming, and more expensive, the consequences are not limited to the cargo tank operator—they ripple through the entire fuel supply chain, affecting the availability and cost of gasoline delivered to retail stations, businesses, and consumers across the country.

“At a time when energy security and supply chain resilience are national priorities, regulatory requirements governing the movement of motor fuels should be grounded in demonstrated technical feasibility and cost-effectiveness,” the lawmakers wrote. “For these reasons, we urge EPA to finalize the proposed rule with a harmonized 1.0 to 2.5-inch standard as a more workable and reliable approach. Importantly, we urge the Agency to exercise enforcement discretion and consider delaying the current compliance deadlines while its reconsideration rulemaking proceeds. After all, requiring compliance with a certification requirement that is under active reconsideration through a proposed rulemaking risks imposing unnecessary burdens on fuel marketers at a sensitive time for gasoline prices.”

The lawmakers recognized EPA’s ongoing commitment to its mission and expressed appreciation for the Agency’s reconsideration of the 2024 rule for the annual cargo tank vapor tightness certification requirements.

“EMA thanks the House Subcommittee on Environment members, especially Chairman Gary Palmer (R-AL), for elevating the real-world impacts of the 2024 cargo tank vapor tightness requirements on America’s small-business fuel marketers,” said Rob Underwood, President of the Energy Marketers of America. “A harmonized 1.0 to 2.5-inch standard is a practical, achievable approach that protects air quality while safeguarding the reliability and affordability of the nation’s gasoline supply. We urge EPA to finalize the proposal promptly and provide enforcement discretion during the rulemaking process.”
 
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