A purge valve is a vital component of a vehicle's evaporative emission control (EVAP) system. Its function is to control the flow of fuel vapors from the fuel tank and evaporative canister into the ...

A bill will be introduced in Maryland’s 2026 legislative session aiming to eliminate Maryland’s vehicle emission inspections ...

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 ...

State air quality regulators are warning of heavy financial consequences for California if the Trump administration continues to reject their efforts to set emissions standards for vehicles and other ...

The bill would prohibit federal requirements for emissions control devices and onboard diagnostic systems and not allow ...

Some 2025 GMC Sierra 1500 and 2025 GMC Sierra HD trucks are included in an emission recall voluntarily issued by General Motors, which refers to a problem in which the Vehicle Emissions Control ...

Illinois ranks fifth among states in the continental U.S. for health risks from diesel emissions. Credit: Kazimierz Popławski, CC BY-NC 2.0 / Flickr Community members and environmental advocates are ...