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On November 20, 2025, the Federal Energy Regulatory Commission (“FERC” or the “Commission”) issued four significant orders addressing crude oil, petroleum products, and natural gas liquids pipelines (collectively, “oil pipelines”) matters: (1) a Notice of Proposed Rulemaking (“NOPR”) for the Five-Year Review of the Oil Pipeline Index (“2026 Index NOPR”) proposing an index level of Producer Price Index for Finished Goods (“PPI-FG”) minus 1.42% for the period (July 1, 2026 to June 30, 2031); (2) an Order denying rehearing and granting oil pipelines remedial relief related to the reinstated oil pipeline index for the period March 1, 2022 to September 17, 2024; (3) an order withdrawing the supplemental notice of proposed rulemaking that proposed to amend the index level to PPI-FG minus 0.21% on a prospective basis from July 1, 2025 until June 30, 2026; and (4) an order denying Airlines for America and the National Propane Gas Association’s petition requesting that the Commission initiate a rulemaking to establish affiliate standards of conduct regulations for oil pipelines.

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 to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024.

On May 16, 2025, the Texas Supreme Court issued a decision ruling that, absent specific contractual language, surface owners retain ownership of the caverns created by salt mining operations.

In the first major National Environmental Policy Act (“NEPA”) case to reach the Supreme Court in almost two decades, the U.S. Supreme Court issued its decision on May 29, 2025, in Seven County Infrastructure Coalition v. Eagle County, Colorado.

Lithium continues to be a rising star of the natural resources world, and Texas is working to stay on top of the legal issues related to the extraction of lithium from produced water and brine.

A series of recent actions undertaken by President Biden, near the end of his term, and President Trump, in the early days of his presidency, have called into question a key issue under the Outer Continental Shelf Lands Act (“OCSLA”) — whether the President can revoke a previous President’s withdrawal of areas of the United States Outer Continental Shelf (“OCS”) from oil and gas leasing.

Darren Tucker and Jason Powers discussed recent antitrust developments in the energy sector and what lies ahead for companies in 2025.

In 2016, a new play called Hamilton was dominating Broadway, Pokémon Go was all the rage, and the Summer Olympics were held in Rio.

As the world moves toward cleaner energy, lithium has become crucial, powering electric vehicles and renewable-energy storage systems. With lithium demand set to increase more than 40-fold by 2040, the race to extract this critical mineral has intensified, especially in the United States.

On September 23, 2024, the State of California filed a new greenwashing salvo against an oil major by filing a plastics-related lawsuit in the San Francisco County Superior Court.