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With fuel prices and concerns over emissions rising, the aircraft maker is accelerating the testing of emerging technologies.
Airbus will adopt a type of jet engine intended to improve fuel efficiency.
A new Mazda model debuting in Japan gets its high fuel economy from an improved gas engine and a lightweight design.
Once thought too polluting, the two-stroke engine makes a comeback in advance of stricter fuel efficiency standards.
A technology coming to Chrysler vehicles can improve the fuel economy of standard gasoline engines by 25 percent.
Satellite navigation technology is focusing on reducing fuel consumption.
Levant Power saves fuel by turning road shocks and vibrations into electricity.
A novel fuel-injection system achieves 64 miles per gallon.
A supercritical diesel engine could increase efficiency and cut emissions.