If you have a diesel-powered vehicle that's been sitting unused for more than a few months, you might be wondering if its ...

The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

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 ...

While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

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 ...

Diesel engines are known to be reliable and long-lasting, but they can also present unique maintenance issues that you must ...

While the purpose of a diesel engine is the same as a conventional one, to carry your car along the roads, there are several differences in how a diesel engine operates. From the fuel that it uses to ...

Diesel engines typically have beefier, more robust cooling components to keep the motor cool in varying conditions. Modern diesels operate at a higher compression ratio, which makes their combustion ...

As harvest wraps up and temperatures fall, it’s time to winterize stored diesel fuel. If No. 2 diesel left over from harvest cools during colder, overnight temperatures, it may reach “cloud point,” ...

Performance, towing, fuel economy, and more details about the Chevy and GMC models with the first-generation Duramax inline-six. The first-generation 3.0-liter LM2 Duramax diesel engine was a GM ...

Removing an emissions device, while no longer a criminal matter, still represents risk for haulers. One responded to EPA and DOJ's recent moves on DEF faults and diesel derates, even questioning ...