The PW1000G as seen on its first flight (11th July 2008).
Despite impressive claims about the PW1000G geared turbofan's fuel burn, Pratt & Whitney executives have been reluctant to disclose specific details about the new engine's likely maintenance cost savings.
P&W says that the GTF typically offers a 12% reduction in fuel burn, and a new brochure produced for Farnborough claims "double-digit reduction in maintenance costs".
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