Biodiesel isn't some experimental, high-tech fuel. It's already here, widely used, and made from everyday materials like vegetable oils, animal fats, and recycled cooking grease. Chemically speaking, ...

If you watched the MythBusters drive an old Mercedes diesel fueled with used cooking oil, you probably wondered why we don't do that all the time with all diesels. After all, Cummins B-series are the ...

If you drive a diesel car or truck, you've probably bumped into the term biodiesel. Like most owners, you probably first saw the term biodiesel on the pump (as a mix for ultra-low-sulfur diesel) – and ...

In an internal combustion engine, the fuel is distributed in small droplets in injection valves to maximise combustion. In the engine, the fuel droplets are pressurised to turn into gas and burn. When ...