California motorhome sales may grind to a halt if new emission rules concerning diesel vehicles go into effect, industry ...

A recent change to clean truck regulations could kickstart the ban on big diesel motorhomes as soon as the beginning of the ...

California's latest emission regulation, known as the Advanced Clean Truck Regulation, is set to affect motorhome sales ...

The regulations primarily target large diesel and gas-powered motorhomes, including Class A and large Class C models, ...