CNG definitions

Cng

1) Compressed natural gas
Found on https://www.crosswordclues.com/clue/cng

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CNG

Calling (tone)
Found on http://www.encyclo.co.uk/visitor-contributions.php

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CNG

Compressed natural gas
Found on http://www.translationdirectory.com/glossaries/glossary136.htm

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CNG

Compressed Natural Gas
Found on http://www3.sympatico.ca/dhaughey/j1930.htm

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CNG

acronym: compressed natural gas
Found on https://www.encyclo.co.uk/local/20002

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