Rotax says the new 912iS fuel-injected 100hp (75kW) engine it plans to begin delivering for light sport aircraft (LSA) in May will have 21% better fuel efficiency than the carburetted 912S and 30-70% ...

OSHKOSH, Wisconsin - Fuel efficient engines are turning out to be one of the big themes at this year's Airventure, the world's biggest aviation gathering. Austrian engine maker Rotax is showcasing a ...

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