While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

Military vehicles such as Humvees are often seen wading through water without much trouble, which gives diesel engines a reputation for being nearly indestructible. While they are tough and generally ...

Cummins is rolling out a software update, extended warranty coverage, and up to $1,000 in cash to encourage more diesel owners to complete the emissions recall. Over a year ago, Cummins agreed to pay ...

Dodge RAMs have a well-documented history of bulletproof engines, and when lugging around a heavy-duty pickup truck, it's one of the most useful assets you could have. An engine with enough torque to ...

Japanese automakers Mazda and Toyota, among other brands, have been working hard on furthering efficiency without sacrificing performance or power. The SkyActiv engine was introduced in 2010 and ...

It was destined that Louie would be passionate about cars before it became a conscious choice. And once it did, there was nothing else on his mind. With a childhood automotive brain like a database, ...

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

Forbes contributors publish independent expert analyses and insights. James Morris covers the rapidly growing world of electric vehicles. This voice experience is generated by AI. Learn more. This ...