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 ...

The four-cylinder four-stroke 912 engine incorporates a modern fuel injection system and digital engine control unit "to ensure optimal fuel and air mixture at any altitude", says Rotax.