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

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

A bipartisan group of lawmakers are asking DEQ to delay the regulations until 2027. The temporary rules went into effect this month.

With a goal to slow greenhouse gas emissions and cut air pollutants, Oregon lawmakers adopted several rules to reduce diesel truck pollution. Several states, including Oregon, have adopted clean ...

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