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On April 8, 2025, President Trump issued an Executive Order titled “Protecting American Energy From State Overreach” (the “Executive Order”), which directs the United States Attorney General to identify and halt the enforcement of state laws and civil actions that burden energy production and may be preempted by Federal law or are otherwise unconstitutional.

In a move that perhaps comes as no surprise, on March 27, 2025, the Securities and Exchange Commission (“SEC” or “the Commission”) issued Press Release 2025-58 announcing it had voted to end its defense of its climate-related disclosures rules (The Enhancement and Standardization of Climate-Related Disclosures for Investors).

On February 19, 2025, the Council on Environmental Quality (“CEQ”) released a pre-publication version of an interim final rule (the “Interim Rule”) to rescind all of CEQ’s previous and current regulations implementing the National Environmental Policy Act (“NEPA”) alongside a memorandum (the “Memo”) to federal agencies providing guidance on how agencies should revise their individual NEPA regulations and how they should manage NEPA reviews in the meantime.

On February 3, 2025, the U.S. District Court for the Central District of California granted a partial motion to dismiss filed by the California Air Resources Board (“CARB”), dismissing the claims that SB 253 (the Climate Corporate Data Accountability Act) and SB 261 (the Climate-related Financial Risk Act) (collectively the “California Climate Laws”) violate the Supremacy Clause and limitations on extraterritorial regulation.

After little more than a week in office, there is still plenty of speculation, but priorities of the Trump 2.0 Administration are becoming more concrete.

The Federal Trade Commission (“FTC”) has revised the thresholds that govern pre-merger notification requirements under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (“HSR Act”), and Section 8 of the Clayton Act governing “interlocking directorates.”

On Friday, January 10, 2025, the Chamber of Commerce, Business Roundtable, American Investment Council, and Longview Chamber of Commerce filed a complaint in the Eastern District of Texas against the Federal Trade Commission (“FTC”) and its Chair Lina Khan to block the enforcement of the FTC’s new rule expanding the scope of the Hart-Scott-Rodino Act Premerger Notification Form (the “new HSR Rule”) set to take effect on February 10, 2025.

When President-Elect Donald J. Trump takes office on January 20, 2025, the U.S. Department of Justice (“DOJ” or the “Department”) is certain to be at the center of the action and conversation in Washington, D.C.—just as it was on January 20, 2017.

On November 19, 2024, Vinson & Elkins LLP hosted an event on how the regulatory landscape may develop during the incoming Trump administration.

After much anticipation, on March 6, 2024, the Securities and Exchange Commission (“SEC” or the “Commission”) released its Final Rule—The Enhancement and Standardization of Climate-Related Disclosures for Investors—mandating climate-related disclosures by public companies.

Following a nearly two-year wait, the Securities and Exchange Commission (“SEC” or “Commission”) released its Final Rule—The Enhancement and Standardization of Climate-Related Disclosures for Investors—on March 6, 2024.

ExxonMobil (“Exxon”) filed a complaint in the U.S. District Court for the Northern District of Texas on Sunday, January 21, 2024, seeking a declaratory judgment to exclude a shareholder proposal from its proxy statement pursuant to Rule 14a-8 of the Securities Exchange Act of 1934 (“Rule 14a-8”) and not present the proposal for a vote at its 2024 annual shareholder meeting.