Diesel engines operate more efficiently than gasoline-powered ones, and they're crucial to the U.S. economy. But does this ...

Now, that's all well and good for your everyday family sedan, but what about a real rip-roarer of a vehicle, such as a massive diesel-powered big rig truck? Big trucks have regular brakes ...

The American Petroleum Institute (API) has launched a new resource page that provides crucial information on Diesel Exhaust ...