Diesel-powered R44 'Right Way To Go,' Robinson Says | Aviation Week Network
I'm selling my little turbine helicopter. This is an affordable way to build turbine time and it's crazy fun to fly. If you are interested click the link... | By Heavy D
HIPE440 Diesel powerpack for light helicopter demonstrator - YouTube
Flugzeugtechnik: Erster Diesel-Elektro-Helikopter wird entwickelt - WELT
EADS Concept Diesel-Electric Hybrid Helicopter Features EcoMotors OPOC Engines; Up to 50% Less Fuel Consumption Than Conventional Twin-Turbine Helicopter - Green Car Congress
Flying hybrid
Diesel engine viable for light singles, Airbus says - Vertical Mag
MK Helicopter MK-3 – Wikipedia
Diesel Helicopter Coming Within 5 Years | WIRED
Grandson to share story of Igor Sikorsky
Helitransportable tank - HELITANK - PRONAL - diesel storage / hydrocarbon storage / transport