The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

During a single full cycle, an internal combustion engine must intake the fuel/air mixture, compress it, ignite it, and allow the exhaust gases created by ignition to escape. As their names imply, a ...

It looks like GM is working on modernising two-stroke engines by tackling their emissions problem. This could open a whole new chapter for internal combustion. It’s been a while since two-stroke ...

Have you ever wondered why you need to add oil to your chainsaw’s fuel supply? Or why some dirt bikes have a higher pitched exhaust note than others? We’ve all been burdened with yard work or been ...