40 CFR 80.51 - Vehicle test procedures.

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§ 80.51 Vehicle test procedures.

The test sequence applicable when augmenting the emission models through vehicle testing is as follows:

(a) Prepare vehicles per § 80.50.

(b) Initial preconditioning per § 80.52(a)(1). Vehicles shall be refueled randomly with the fuels required in § 80.49 when testing to augment the complex emission model.

(c) Exhaust emissions tests, dynamometer procedure per 40 CFR 86.137-90 with:

(1) Exhaust Benzene and 1,3-Butadiene emissions measured per § 80.55; and

(2) Formaldehyde and Acetelaldehyde emissions measured per § 80.56.

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United States Code

Title 40 published on 2015-07-01

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

  • 2015-08-17; vol. 80 # 158 - Monday, August 17, 2015
    1. 80 FR 49164 - Approval of North Carolina's Request To Relax the Federal Reid Vapor Pressure Gasoline Volatility Standard for Mecklenburg and Gaston Counties
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      Direct final rule.
      This rule is effective on October 16, 2015 without further notice, unless EPA receives adverse comment by September 16, 2015. If EPA receives adverse comment, we will publish a timely withdrawal in the Federal Register informing the public that the rule will not take effect.
      40 CFR Part 80