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A230neo may require engine modification that could cut fuel efficiency

Shorter compressor blades needed to improve cooling may affect performance

More efficient engines are a central selling point for the neo, the updated version of Airbus' top-selling A320 family.


AIRBUS Group SE's revamped A320neo jetliner, due for its first delivery this month, may require modifications to one of its engine variants that could reduce fuel efficiency, according to analysts at JPMorgan Chase & Co.

The Pratt & Whitney powerplant may need...

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