While CNG trucks currently have higher upfront costs, they offer lower fuel and maintenance expenses, along with reduced emissions, positioning them as a viable alternative ...

Raleigh-Durham International Airport had planned to phase out diesel buses but now aims for a mix for reliability reasons.

As a highly experienced mechanical engineer, Mr. Dixit’s nationwide role supports reliability of U.S. Refining and ...

One of the main reasons diesel cars offer better mileage is the higher energy content of diesel fuel. Diesel contains more ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

The new engine, known as the EA897evo4, traces its lineage back to the original EA897, one of the units caught up in the diesel scandal years ago. This latest version, though, has been thoroughly ...

There have been many reliable diesel engines over the years. Some are easy to work on, while others are a bit more challenging. The Ford 6.4-liter Power Stroke falls into the latter category, while ...

The diesel era has ended for Hazleton buses. Hazleton Public Transit replaced its last two diesel buses with buses powered by compressed natural gas. Now the fleet has 11 buses that run on natural gas ...

Fighter jet engines are complex machines that enable aircraft to reach incredible speeds. The modern fighter jet is defined by its engine, which accelerates a tremendous volume of air rearward that it ...

Cummins has been planning to debut a diesel-powered version of the engine in its X15 fuel agnostic platform in early 2026, yet with changes to environmental regulations this year, the company is ...