Rate at which fuel is consumed divided by power or thrust
developed, and thus a measure of engine efficiency. For jet engines
(air-breathing, not rockets) unit is mg/Ns, milligrams per
Newton-second; for shaft engines unit is ?g/J, micrograms
(millionths of a gram) per Joule (SI unit of work or energy).
"We need to cooperate where possible for the good of
the environment."
Source: Airbus CEO Thomas Enders. Boeing and
Airbus said Tuesday they will join forces to support the
development of next generation air traffic control, to improve fuel
efficiency, and reduce emissions and congestion.
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