For as long as internal combustion engines have existed, pistons have been round. This wasn't necessarily because circular ...

Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...

From a new V3 Honda engine to Toyota’s latest Hilux, these are the biggest stories in car news today.

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...