Weight plays a huge role in motorcycles. That’s partly why big electric powertrains haven’t succeeded in two-wheelers (they require heavy batteries). Even with internal combustion engines, we see new ...

Engine building development advances because manufacturers and performance specialists work to achieve higher power output, better efficiency, and longer engine lifespan. The combination of hybrid ...

How boxer engines work, why they’re not just “flat” engines, and a 120-year evolution traced from the 1899 Benz to the latest Porsche and Subaru boxers. Boxer engines feature flat, opposing pistons ...