40 CFR 80.59 - General test fleet requirements for vehicle testing.

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There are 3 Updates appearing in the Federal Register for 40 CFR 80. View below or at eCFR (GPOAccess)
§ 80.59 General test fleet requirements for vehicle testing.
(a) The test fleet must consist of only 1989-91 MY vehicles which are technologically equivalent to 1990 MY vehicles, or of 1986-88 MY vehicles for which no changes to the engine or exhaust system that would significantly affect emissions have been made through the 1990 model year. To be technologically equivalent vehicles at minimum must have closed-loop systems and possess adaptive learning.
(b) No maintenance or replacement of any vehicle component is permitted except when necessary to ensure operator safety or as specifically permitted in § 80.60 and § 80.61. All vehicle maintenance procedures must be reported to the Administrator.
(c) Each vehicle in the test fleet shall have no fewer than 4,000 miles of accumulated mileage prior to being included in the test program.
[59 FR 7813, Feb. 16, 1994, as amended at 59 FR 36962, July 20, 1994]

Title 40 published on 2014-07-01

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.

  • 2014-08-08; vol. 79 # 153 - Friday, August 8, 2014
    1. 79 FR 46353 - Regulation of Fuels and Fuel Additives: Extension of Compliance and Attest Engagement Reporting Deadlines for 2013 Renewable Fuel Standards
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      Direct final rule.
      This rule is effective on September 29, 2014 without further notice, unless the EPA receives adverse comment by September 15, 2014. If the EPA receives adverse comment, we will publish a timely withdrawal notice in the Federal Register informing the public that the rule will not take effect.
      40 CFR Part 80

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United States Code

Title 40 published on 2014-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 80 after this date.

  • 2014-12-09; vol. 79 # 236 - Tuesday, December 9, 2014
    1. 79 FR 73007 - Delay in Issuing 2014 Standards for the Renewable Fuel Standard Program
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      Notification of delay in issuing standards.
      December 9, 2014.
      40 CFR Part 80