Oregon’s attempts to curtail diesel emissions are in jeopardy following a state decision to delay enforcement of the Advanced ...

The hearing on Monday night marked the relaunch of Zenith’s air permit process after state regulators put it on hold last ...

DEQ’s Advanced Clean Trucks policy, under development since 2021, was intended to shift Oregon’s fleet from trucks with ...

A company with plans to build a poultry bio-processing facility in Ottawa County gets the "green light" by the state to begin ...

PFAS, per- and polyfluoroalkyl substances also known as forever chemicals, were found in 2024 at the Salem-Willamette Valley Airport.

BUTTE, Mont. — A conservation group is taking the Montana Department of Environmental Quality to court over the lack of declaration of portions of the Big Hole River as impaired by nutrient ...

The policy, under development since 2021, was intended to shift Oregon’s fleet from trucks with internal combustion engines ...

The Oregon Department of Environmental Quality said Thursday, May 15, it was delaying enforcement of its Advanced Clean Trucks rule, which went into effect Jan. 1. “Effective immediately ...