'CNG' can mean:
★
Chinese National Geography, magazine published in China
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Compressed natural gas ie CNG vehicles
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Comfort Noise Generator used in Speech Codecs to insert artificial noise during silent intervals of speech.
★
Conseil National de Gouvernement, provisional government of Haiti from 1986 to 1988
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Cyclic nucleotide-gated ion channel an ion channel gated by cyclic nuclotide like
cAMP
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Certified Naturally Grown a certification program for small-scale, direct-market organic farmers
★ , the pluggable Windows Cryptography API introduced in Windows Vista