40 CFR 600.109-08 - EPA driving cycles.

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§ 600.109-08 EPA driving cycles.
(a) The FTP driving cycle is prescribed in § 86.115 of this chapter.
(b) The highway fuel economy driving cycle is specified in this paragraph.
(1) The Highway Fuel Economy Driving Schedule is set forth in appendix I of this part. The driving schedule is defined by a smooth trace drawn through the specified speed versus time relationships.
(2) The speed tolerance at any given time on the dynamometer driving schedule specified in appendix I of this part, or as printed on a driver's aid chart approved by the Administrator, when conducted to meet the requirements of paragraph (b) of § 600.111 is defined by upper and lower limits. The upper limit is 2 mph higher than the highest point on trace within 1 second of the given time. The lower limit is 2 mph lower than the lowest point on the trace within 1 second of the given time. Speed variations greater than the tolerances (such as may occur during gear changes) are acceptable provided they occur for less than 2 seconds on any occasion. Speeds lower than those prescribed are acceptable provided the vehicle is operated at maximum available power during such occurrences.
(3) A graphic representation of the range of acceptable speed tolerances is found in § 86.115 of this chapter.
(c) The US06 driving cycle is set forth in appendix I of part 86 of this chapter.
(d) The SC03 driving cycle is set forth in appendix I of part 86 of this chapter.
[71 FR 77933, Dec. 27, 2006, as amended at 76 FR 39531, July 6, 2011]

Title 40 published on 2013-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-06-30; vol. 79 # 125 - Monday, June 30, 2014
    1. 79 FR 36658 - Control of Air Pollution From Motor Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards
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      40 CFR Parts 79, 80, 85, 86, 600, 1036, 1037, 1039, 1042, 1048, 1054, 1065, and 1066

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Title 40 published on 2013-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 600 after this date.

  • 2014-06-30; vol. 79 # 125 - Monday, June 30, 2014
    1. 79 FR 36658 - Control of Air Pollution From Motor Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      40 CFR Parts 79, 80, 85, 86, 600, 1036, 1037, 1039, 1042, 1048, 1054, 1065, and 1066