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Participants will hear our panelists discuss the current federal government enforcement landscape in key areas including antitrust, environmental, energy and securities enforcement.

What can project developers actually build before securing an air permit?

On August 18, 2025, a divided panel of the U.S. Court of Appeals for the Fourth Circuit reversed a district court order dismissing an ethylene oxide (“EtO”) exposure case for lack of Article III standing.

Vinson & Elkins is pleased to offer this round-up of recent developments in federal enforcement, with a particular emphasis on changes during the first few months of the second Trump administration.

This session will explore how rising global tariffs—and those proposed by the Trump administration—are affecting the U.S. energy and infrastructure sectors.

On August 22, 2025, the Environmental Protection Agency (“EPA”) announced decisions on 175 small refinery exemption (“SRE”) petitions stretching back over the last four years.

On July 3, 2025, the Federal Energy Regulatory Commission (“FERC” or the “Commission”), the U.S. Army Corps of Engineers (“Army Corps”), and the Departments of Energy (“DOE”), Interior (“DOI”), Transportation (“DOT”), Agriculture (“USDA”), and Defense (“DOD”) released sweeping updates to their regulations and procedures implementing the National Environmental Policy Act (“NEPA”).

The federal government is continuing to implement President Donald Trump’s Unleashing American Energy mandate to promote domestic energy and infrastructure projects.

On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published its proposed “Set 2” rule under the Renewable Fuel Standard (“RFS”) program (the “Set 2 Rule”).

On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule that, if finalized, would repeal all greenhouse gas (“GHG”) standards for the power sector.

On June 17, 2025 the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024.

This week, the U.S. Environmental Protection Agency (EPA) took the penultimate step to granting Texas the authority to directly issue Class VI permits under the Safe Drinking Water Act’s Underground Injection Control (UIC) program for carbon capture and sequestration (CCS) projects when it proposed to approve the State’s primacy application.