Engines
AIN Exclusive: The Higgs Diesel
The Higgs step-piston two-stroke engine applies new technology to an old idea.
The Higgs step-piston two-stroke engine applies new technology to an old idea.
The Higgs step-piston two-stroke engine applies new technology to an old idea.

Andy Higgs, a Brit who has lived in Japan for the last 32 years, is on a mission to bring a new engine to aviation, in the form of a jet-A-burning “step-piston two-stroke.” The three-year FAA certification testing program will begin late next year.