Emissions testing laws are a crucial component in the fight against air pollution and climate change, yet these regulations ...

The Trump administration has announced it will no longer criminally prosecute “diesel delete” cases of truck owners altering ...

Commercially available technologies for reducing nitrogen oxide (NO x) emissions from coal-fired boilers are enabling industry compliance with today’s regulatory requirements. Low-NO x burners (LNB) ...

Bill would ban emission control requirements on truck engines. (Photo: Jim Allen/FreightWaves) WASHINGTON — New legislation introduced in the Senate would vacate sentences for mechanics convicted of ...

GM has issued an emission recall for certain units of the 2025 Chevy Silverado 1500 and 2025 Chevy Silverado HD pickup trucks that were potentially produced with incorrect Vehicle Emissions Control ...

Robin Smit is the founding Research Director at the Transport Energy/Emission Research (TER) consultancy. Alberto Ayala does not work for, consult, own shares in or receive funding from any company or ...

On February 13, 2025, the Second District Court of Appeal (Div. 7) filed its 71-page published opinion affirming the trial court’s judgment rejecting CEQA safety hazard and cumulative impacts analysis ...

Ammonia is one of the most abundant alkaline gases in the atmosphere. When released into the air, it reacts with acidic compounds to form fine particulate matter known as PM2.5, which contributes to ...

Environmental issues never stray far from the center of discussion in the electric power industry. Despite an industry-friendly Administration, and repeated calls for “environmental certainty,” ...

The Mediterranean Sea officially became an Emission Control Area for Sulphur Oxides and Particulate Matter (Med SOx ECA) under MARPOL Annex VI on May 1, 2025. The sulphur content in fuel oil for ships ...