New propulsion, materials and Fuels.
Metal has been the main key component in engines for the past two hundred years, but now that most machines are becoming lighter in their construction and the demand for polymer plastics is on the rise. The aviation industry has developed stronger aluminium and other light metals to incorporate in overall design.
Lighter means more fuel efficiency, while engines no longer have to rely on the need for petroleum!
Hydrogen fusion, water and gasses work better with these newer materials. There is not worry about rust or engines dying so quickly. The newer materials and these new engines will last much longer and probably never really run out because of replacement parts.
The first commercial electric cars are now entering the European market en-mass and they will be followed by many other new innovations. Airbus has broken the market in alternative fuels, while new Russian commercial jets such as the Sukhoi super Jet will take the market.
The one time business jets are now replacing the low capacity market with Mitsubishi, Bombardier, Embraer and Fairchild-Dornier offering layouts for between 20-30 seating.
This will undermine the Boeing 737-600/700 and the Airbus A319-100, who have tried to compete with Embraer E-Jet success.
Many machines such as locomotives are cutting down on the need for large body shells, some are aero-dynamic for extra speed.
Rockets such as SpaceX if combined with the Progress modules could lead to some interesting space developments along with improved nuclear engines for faster space flight?
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