Engine emissions remain a central focus in the heavy-duty trucking industry. This is due to upcoming regulations such as EPA ...

California has dropped its landmark rule that would have phased out nearly all diesel trucks in the coming years, the ...

Forcing fleets to forgo new, cleaner vehicles will extend the life of older trucks, meaning higher emissions than if we hadn't adopted California's approach.

A legislative push is underway to delay the implementation of Oregon's Advanced Clean Truck regulations that aim to reduce ...

A bill making its way through the state legislature would delay the Advanced Clean Trucks rule, adopted from California, ...

When Oregon’s Environmental Quality Commission approved the Advanced Clean Trucks (ACT) rule in 2021, many people celebrated ...

"We're not ready. We're simply asking for a delay in the rules by two years," says state Rep. Shelly Boshart Davis.