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What does CLEEN stand for?

CLEEN stands for Continuous Lower Energy Emissions and Noise (aviation environmental impact improvement program; US FAA)

This definition appears somewhat frequently and is found in the following Acronym Finder categories:

  • Military and Government
  • Science, medicine, engineering, etc.
  • Organizations, NGOs, schools, universities, etc.
  • Business, finance, etc.

See other definitions of CLEEN

Other Resources:
We have 1 other meaning of CLEEN in our Acronym Attic