Researchers at the University of Southern California have released an interactive map to show Angelenos how pollution from ...

California has decided to abandon its groundbreaking regulations phasing out diesel trucks and requiring cleaner locomotives ...

The Duramax diesel is a series of diesel engines manufactured by General Motors. Here's a breakdown of the generations over ...

California has decided to abandon its groundbreaking regulations phasing out diesel trucks and requiring cleaner locomotives ...

State officials have long considered the rules regulating diesel ... California’s Advanced Clean Fleet rule, which phases out diesel trucks, was one of the most far-reaching and controversial ...

State officials have long considered the rules regulating diesel ... California’s Advanced Clean Fleet rule, which phases out diesel trucks, was one of the most far-reaching and controversial ...

In his inaugural address, President Trump took aim at California's mandate banning gas-powered vehicles. But even before he ...

With nearly 20,000 miles on our 2024 Chevy Silverado ZR2 pickup, we have discovered it has quite a thirst for diesel exhaust ...

The depot, on the site of a former diesel fueling station, is part of a push by both the ports of Long Beach and Los Angeles to have an entirely zero-emissions drayage truck fleet by 2035 ...