Australia has developed the first frame biofuels helicopters

According to foreign media reports, Australia's Delta helicopter company recently announced the development of the world's first bio fuel internal combustion engine helicopter.
It is reported that Delta helicopter company named D2, D2 can use less fuel than an ordinary helicopter flying more than 30% to 40% of the mileage. Estimates, in the same flight distance, D2 four-cylinder helicopter, two-stroke, water cooling and turbo-charged internal combustion engine the amount of fuel consumed less than 40% of gasoline engines, turbine engines less than 75%.
It is noteworthy that, if you buy a D2 helicopter, you have to assemble their own plans to home-made kit D2 helicopter to remote areas in the form sold to farmers, because they are usually used in agricultural machinery is the internal combustion engine. Machine price nearly 20 million U.S. dollars, has yet to reveal what is the cost of the home-made kit, end of the year people can buy the D2 helicopter.
D2 helicopter's four-cylinder, two stroke, water cooling and turbo-charged internal combustion engine, the amount of fuel consumed less than 40% of gasoline engines, turbine engines less than 75%.