All of those challenges can become even more imposing if you're looking for a used diesel truck. That's because diesel vehicles are distinct from gas cars in various ways, and if you're not an ...

California suffered a setback when its EV truck mandate failed to win federal approval, but officials say they will use a mix ...

The Environmental Protection Agency and California Air Resources Board have established that NOx and particulate emissions ...

California has decided to abandon its groundbreaking regulations phasing out diesel trucks and requiring cleaner ... only locomotives less than 23 years old would have been allowed in California ...