It is truly an... interesting world we live in these days. After Audi started an interesting trend with its enhanced exhaust systems for the diesel models of the range, BMW seems to be following suit.

Our vehicles are just like us, if they don't have a chance to breathe, they will die... well, not quite, but their performance, fuel economy, and life span will be dramatically shortened. Typically, ...

Rudolf Diesel developed the engine technology that bears his name in the late 19th Century. Since then, diesel engines have become popular for their reliable and efficient operation and long life.

Most diesel truck owners are aware of the benefits of a larger exhaust diameter – lower back pressure, lower egts, higher boost, more horse power and more torque. These benefits are even greater when ...

The 6.6L Duramax diesel is an extremely versatile engine with lots of torque and plenty of durability-as the name would imply. For anyone looking for an excellent tow rig, race truck, or daily driver, ...

Increasingly stringent diesel engine exhaust emissions regulations have, over the past 20 years, reduced output of nitrogen oxides (NOx) by 95% and particulate emissions by 90% in heavy trucks. These ...

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

Diesels have an edge on gasoline engines when it comes to fuel economy, but compression-ignition engines need extra help to meet America’s emissions regulations. Higher peak-combustion temperatures ...

As traumatic as it was at the time, the addition of selective catalytic reduction and diesel particulate filter aftertreatment to modern trucks will likely go down as one of the industry’s greatest ...