On July 3, 2026, President Trump pardoned early a dozen people who were convicted under the Clean Air Act for tampering with ...

No DPF. No AdBlue. Just a cast-iron block and a timing belt — and somehow this old VW diesel is still racking up half-million ...

The celebrations were on for the Megeds on the Fourth of July. And another lit for the victory by her hubby, Haven, in ...

For decades, the choice between petrol and diesel was a straightforward mathematical equation calculated at the fuel pump. If ...

What is the difference between Tier 3 and Tier 4 diesel engines? We explain EPA nonroad emissions standards, DPF, SCR, and ...

Questar found degraded DPF and SCR systems can add $25-$30 per day in fuel costs, increasing fuel consumption during both ...

The Ford 6.4L Power Stroke diesel had a short production run for various reasons. There is one production year in particular you should try to avoid.

If you drive a diesel car or SUV bought in the last few years, your vehicle carries a part that older diesels never had: a diesel particulate filter, or DPF. Since the BS6 emission norms came into ...

Particulate matter (PM) emissions from diesel engines pose significant health, environmental and regulatory challenges, driving the development of advanced sensing technologies. Central to exhaust ...

A diesel after treatment system on a Class 8 tractor is an artery — the system that has generated more social media confusion in the past 30 days than any regulatory topic in recent memory. The rules ...

Diesel engines are known for their durability and efficiency, but not all models share the same level of reliability. Engines like the Cummins 5.9L 12-Valve 6BT, Mercedes-Benz OM617, and Toyota 1HZ ...