106 STAT. 2996 PUBLIC LAW 102-486—OCT. 24, 1992 TITLE XV—OCTANE DISPLAY AND DISCLOSURE SEC. 1501. CERTIFICATION AND POSTING OF AUTOMOTIVE FUEL RAT- INGS. (a) COVERAGE OF ALL LIQUID AUTOMOTIVE FUELS.— Section 201(6) of the Petroleum Marketing Practices Act (15 U.S.C. 2821(6)) is amended to read as follows: "(6) The term 'automotive fuel' means liquid fuel of a type distributed for use as a fuel in any motor vehicle.". (b) AUTOMOTIVE FUEL RATING.— Section 201 of such Act (15 U.S.C. 2821) is amended by adding at the end the following new paragraphs:
- (17) The term 'automotive fuel rating* means—
"(A) the octcuie rating of an automotive spark-ignition engine fuel; and "(B) if provided for by the Federal Trade Commission by rule, the cetane rating of diesel fuel oils; or "(C) another form of rating determined by the Federal Trade Commission, after consultation with the American Society for Testing and Materials, to be more appropriate to carry out the purposes of this title with respect to the automotive fuel concerned. (18XA) The term 'cetane rating* means a measure, as indicated by a cetane index or cetane number, of the ignition quality of diesel fuel oil and of the influence of the diesel mel oil on combustion roughness. "(B) The term 'cetane index* and the term 'cetane number* have the meanings determined in accordance with the test methods set forth in the American Society for Testing and Materials standard test methods— "(i) designated D976 or D4737 in the case of cetane index; and "(ii) designated D613 in the case of cetane number, (as in effect on the date of the enactment of this Act) and shall apply to any grade or type of diesel fuel oils defined in the specification of the American Society for Testing and Materials entitled 'Standard Specification for Diesel Fuel Oils* designated D975 (as in effect on such date).**. (c) CONFORMING AMENDMENTS.—(1) Section 201 of such Act (15 U.S.C. 2821) is amended— (A) in paragraph (1), by striking out "gasoline** and inserting in lieu thereof "fuel**; (B) in paragraph (2)— (i) 1^ striking out "Standard Specifications for Automotive Gasoline** and inserting in lieu thereof "Standard Specification for Automotive Spark-Ignition Engine Fuel**; and (ii) by striking out "D 439** and inserting in lieu thereof "04814**; (C) in paragraph (4)— (i) by striking out "gasoline** the first place it appears and inserting in lieu thereof "automotive fuel**; and (ii) by striking out "gasoline** the second place it appears and inserting in lieu thereof "fuel**;
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