Keywords: CNGlogo.svg en wikipedia 2009 October 26 Symbol used for vehicles powered by compressed natural gas own original text Self-made 1 2008-10-23 arz PD-USGov Original upload log en wikipedia Jerome Charles Potts CommonsHelper page en wikipedia CNGlogo svg 2008-10-23 08 42 Arz1969 142×110× 1542 bytes <nowiki> Symbol used for vehicles powered by compressed natural gas Self-made August 8 2008 Andros 1337 Image CNGlogo2 png Image CNGlogo JPG Licensing </nowiki> Compressed natural gas Simple text logos |