California's Clean Truck Check program includes nearly all non-gasoline vehicles with a gross vehicle weight rating over 14,000 pounds that operate in California. Noregon announced an update to its ...

Our Environment, Land Use & Natural Resources Group explains how California’s vehicle emissions rules are being transformed in real time, ...

Noregon has released an update to its flagship JPRO diagnostic software, adding a new feature designed to help users comply with California’s Clean Truck Check regulation. The update also includes ...

A group of heavy truck and engine manufacturers on Monday formally filed a lawsuit challenging the Clean Truck Partnership (CTP) the companies signed in 2023 with California's Air Resources Board ...