No, we don't mean the rounded Doritos of the Wankel rotary engine made famous by Mazda. Honda has tried oval pistons before.

Looks like Ferrari has submitted a patent design for a new V12 that uses oval-shaped pistons. Pistons, as you're probably ...

Ferrari has filed a patent for an engine with pill-shaped pistons, a radical departure from traditional circular piston ...

V6 engines have been used since 2014 but Red Bull's Christian Horner is among the team bosses to see some upsides ...