Pratt & Whitney's new turboprop engine is a third more powerful and 20% more fuel efficient The Canadian division of the American aircraft engine manufacturer Pratt & Whitney has unveiled a new PT9 turboprop engine that promises significantly more power - 33% - at higher altitudes with lower fuel consumption compared to the previous generation engines. The regulator has already approved the design, bringing the development closer to mass production.

Pratt & Whitney's new turboprop engine is a third more powerful and 20% more fuel efficient The Canadian division of the American aircraft engine manufacturer Pratt & Whitney has unveiled a new PT9 turboprop engine that promises significantly more power - 33% - at higher altitudes with lower fuel consumption compared to the previous generation engines. The regulator has already approved the design, bringing the development closer to mass production.