EPA moved the RY2025 GHGRP deadline to March 10, 2027, but Subpart W is still in effect. Here's what the 2024 rule changed and how to prepare.

A final rule was signed by EPA Administrator Lee Zeldin on September 14, 2026 repealing many of the 2024 Carbon Pollution Standards (CPS) governing greenhouse gas (GHG) emissions from fossil fuel-fired power plants under Clean Air Act section 111. Learn what was repealed, what was changed, what it means for your facility and how Alliance can help.

Between the ODEQ Cleaner Air Oregon (CAO), USEPA Greenhouse Gases (GHG), Information Collection Request (ICR) requirements, and all permits and emissions inventories—facilities are under pressure to deliver precise, defensible emissions data. From source testing to risk modeling and permitting, Oregon facilities of all sizes are being held to highly technical toxic air contaminant emissions inventory reporting standards and selecting the right partner to deliver it will be