With more horsepower and refined throttle control, the new powerplant helps bridge the gap between traditional 600‑class sleds and larger, more expensive engines.

Ski-Doo’s 2027 snowmobiles get a major upgrade thanks to the new 600RR E-TEC engine and lighter platform.

Rotax provided flights from San Francisco to Salz, Austria, and accommodation so Ars could visit its factory and ride some of its products. Ars does not accept paid editorial content. “There was ...

Bosch modified the Rotax 916 piston aeroengine to run on zero-emissions hydrogen. Credit: Bosch Aviation Technology Austria-based Bosch Aviation Technology has converted a Rotax piston aeroengine, a ...