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Proposed changes involving hazardous air pollutants, glycol dehydrators, source classification, LDAR and electronic reporting could affect compliance planning under Subparts HH and HHH. The U.S. Environmental Protection Agency is reviewing the National Emission Standards for Hazardous Air Pollutants for crude oil and natural gas production facilities and natural gas transmission and storage facilities. The proposedRead more

New Mexico’s Proposed Super-Emitter Program: New Timelines for Methane Detection, Investigation and Repair A new stakeholder draft would connect remote methane detection with rapid investigation, repair and reporting requirements for oil and gas operators. Key Takeaways New Mexico’s July 16 stakeholder draft would create a state methane super-emitter response program built around certified third-party remoteRead more

Emerging Legislation at Federal, State, and Local Levels Create New Challenges and Risks for Data Center Air Permitting Emerging legislative trends affecting data centers across federal, state, and local levels in the U.S. are complicating the permitting of new projects and compliance for existing centers. As of November 2025, the United States leads the globalRead more

A Practical Guide to Regulations, Risks, and Real-World Solutions LNG emissions compliance has become one of the most critical challenges facing liquefied natural gas operators in the United States. As regulatory scrutiny intensifies, especially concerning methane and greenhouse gases, LNG operators must navigate a complex web of federal, state, and local requirements while maintaining safe,Read more

The U.S. EPA has finalized a rule extending the Greenhouse Gas Reporting Program (GHGRP) reporting deadline for reporting year 2025. Instead of the usual March 31, 2026 deadline, facilities and suppliers subject to 40 CFR Part 98 now have until October 30, 2026, to submit their annual greenhouse gas reports. For companies that rely onRead more

The 12th International LNG Congress (LNGCON 2026) held March 9–10 in Barcelona, brought together LNG leaders from across the value chain to discuss a familiar but increasingly urgent challenge: how to balance energy security, infrastructure investment, and decarbonization in a market facing mounting regulatory and operational pressure. What stood out from this year’s congress wasRead more

EPA has finalized a rule that rescinds the agency’s 2009 greenhouse gas endangerment and contribution findings and repeals federal greenhouse gas emission standards for vehicles and engines that were developed under Clean Air Act Section 202(a)(1). EPA frames this as a change in how it interprets its authority to regulate greenhouse gas emissions from newRead more

Illinois raises the permitting bar, while Virginia debates when “backup” can run Data centers rely on backup generators for resiliency, but the scale of new development is pushing states to look harder at the air and noise impacts of those engines. Illinois and Virginia are now moving in the same direction under a shared theme:Read more

Stationary combustion turbine permitting is getting renewed attention as more facilities add on-site generation to support growth, reliability, and operational continuity. EPA’s January 2026 updates to the New Source Performance Standards (NSPS) for stationary combustion turbines reinforce a key point for owners and operators: combustion turbines are generally regulated as stationary sources and permitting obligationsRead more