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 ...

A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

Keeping a combustion-engined car in shape requires some effort. Part of that is changing the motor oil and filter on a regular basis to lubricate the moving metal components and keep the engine in ...

Synthetic engine oil might seem like it carries some risks or downsides. However, you should consider switching to synthetic ...

Every few thousand miles, we pull into a shop, wait our turn, and let a technician drain and replace the golden liquid that keeps our cars running. Jet engines, however, operate on a completely ...

"EVs are green, EVs are environmentally-friendly," blah, blah, blah … That may be true, but who needs a Tesla supercharger when you can simply fill your motorcycle with some leftover restaurant grease ...