Wankel rotary engines, typically but not exclusively found in Mazdas, certainly lean on the "quirkier" side of modern powertrain systems, made quirkier because most rotary-powered cars on the road ...

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

Turbochargers are known for making your car faster and more fuel efficient in exchange for a constant supply of clean oil to lubricate its parts — this is how it's always been. Or has it? Oil-less ...