Yet another piece in the jigsaw of NGV standards had just been published. “Compressed gaseous fuel measuring systems for vehicles” OIML R 139 has been published by the International Organization for Legal Metrology. This standard can be downloaded at no cost from www.oiml.org/publications/ document 139-e. The history of this standard starts in 1999 with the first committee draft of the standard being completed in 2000.
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