When you find yourself in the market for a new vehicle, you may have to pick between a diesel- or gas-powered car. As a fuel, diesel may be a little more expensive than gas, but it comes with a host ...

The fuel and exhaust systems inside diesel engines work closely together. As a result, fuel- and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system often can ...

This story appears in the Sept. 20 print edition of Transport Topics. The main problems owners of 2008 heavy-duty engines have encountered involve the exhaust gas recirculation system and the engine ...

As a result, fuel and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system can often arise from a problem in the other. Here are three common fuel and exhaust ...