The president pardoned a Wyoming-based tuner who was found guilty of deleting emissions systems on diesel trucks.

While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

The all-new Kia Tasman generated plenty of celebrity-driven hype prior to its launch in 2025, but does it have the ...

If you’re an owner-operator or small fleet owner staring down the barrel of an engine problem, you already know the ...

The initiative is part of Vale’s continuous effort to lower carbon emissions in its rail operations. Credit: Wabtec Corporation. Locomotive manufacturer Wabtec and Vale have formalised an agreement to ...

Once upon a time, when an Australian friend believed I was keeping him from an overdue libation, he told me, "A man is not a camel." That axiom has crossed oceans and time without losing an iota of ...

Partial fuel replacement strategies arising from fossil sources used in compression ignition engines involve mixtures of mineral Diesel oil, biodiesel and ethanol to minimize the gas emissions. In ...

A real-world MPG test of the new Audi A5 Diesel, filmed in 4K. This review examines fuel efficiency, driving comfort, and overall value of the £60k model. A closer look at how the A5 Diesel performs ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

B10 series A5 available as a hatchback or, as pictured, an Avant It’s all change for the Audi A4 or rather its new name, A5. But wasn’t there already an A5? Indeed there was, that being the A5 ...