While the list of car brands that still use diesel engines in 2025 is increasingly small, diesel still dominates when it comes to heavy-duty trucks. There are a number of reasons why diesels are the ...

When most people think of diesel engines, they often picture heavy-duty trucks and locomotives — or they might recall Volkswagen's Dieselgate scandal – but diesel power actually made its passenger car ...

Discover the engineering marvel behind Mazda's Skyactiv-D 2.2 diesel engine, and what lies ahead for diesel fuel. Mazda unveiled the second-generation CX-5 in 2016 and promised buyers they would soon ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...