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US EPA Proposes Cuts to GHG Reporting Thumbnail
EPA Proposes Cuts to GHG Reporting Requirements
On September 12, 2025, the U.S. EPA proposed a rule that could eliminate or delay GHG reporting for 46 source categories under the Greenhouse Gas Reporting Program (GHGRP). We review the scope of EPA’s proposed rule, background, and what comes next for affected facilities.
Dan Wood
EPA-extends-deadlines-emission-rules
EPA Extends Deadlines for Emissions Reduction Rules
The EPA issued an interim final action extending compliance deadlines under NSPS OOOOb, NSPS OOOOc, and the Super Emitter Program. In our latest Delve, we review the impacted rules, their new deadlines, and what it means for the oil and gas industry.
Dan Wood
John Pfeffer

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Joliet, Illinois
Trihydro Opens Office in Joliet, Illinois
Trihydro opens a new Joliet, Illinois office, expanding our Midwest presence to better serve clients with engineering and environmental consulting services.
ENR 2024 Top Environmental Firms
ENR Names Trihydro a Top 200 Environmental Firm for the 19th Year in a Row
Engineering News-Record (ENR) ranks Trihydro #128 on its Top 200 Environmental Firms list for 2024.

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