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Show Gas octane ratings J reach new high Average octane ratings of gasoline sold in the United States have reached all-time highs, according to Oil Facts. The publication says laboratory labora-tory tests during January, 1967, showed averages of 100.1 for premium fuel and 94.2 for regular reg-ular grade gasoline. Today's regular gasoline has a . higher octane number than the premium prem-ium fuel of a dozen years ago. Oil Facts points out that octane oc-tane numbers are only one of several ways of measuring gasoline gas-oline quality. It also notes that prices for today's vastly improved im-proved gasolines are lower ! before taxes than they were in the early 1920's. |