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 ...

Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68%—without expensive engine modifications or retrofits.

The inline-6 engine layout has its fans in the gas world, but it's the de facto standard design among diesel aficionados. Hardly surprising, as these engines are less complex than any V layout and ...

Chances are, if you live in the United States, most of you are driving either a gasoline-powered car (or possibly an electric car) with a much smaller group daily driving something diesel-powered.

The death knell has been ringing for diesel engines over the last decade, primarily because of their environmental impact. But some still swear by diesels for their abundant torque, efficiency, and ...

RealTruck.com reports on the latest truck accessories, featuring new products to enhance vehicle performance and style.

Toyota’s 4.2‑liter 1HZ diesel is an anomaly in a market obsessed with downsizing, turbocharging, and software-driven complexity. While most manufacturers have retired their old-school workhorse ...