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EPA/OAR | RIN: 2060-AT21 | Publication ID: Fall 2016 |
Title: ●Vehicle Test Procedure Adjustments for Tier 3 Test Fuel | |
Abstract: In the joint Light Duty (LD) Greenhouse Gas and Fuel Economy rules adopted by EPA and NHTSA (October 15, 2012), the program required that vehicle laboratory emissions testing be performed using the long-standing vehicle test gasoline, which contains no ethanol ("E0" fuel) and higher levels of aromatics. EPA's Tier 3 light-duty vehicle rule (April 28, 2014), which affected essentially the same universe of LD vehicles as the GHG rules, focused on reductions in non-greenhouse gas emissions. As a part of the Tier 3 rule, EPA changed the laboratory test fuel to be more similar to typical fuels today, which on average contain about 10 percent ethanol ("E10") and lower levels of aromatics. Rulemaking action is necessary in order to make vehicle test procedure adjustments that account for the Tier 3 test fuel changes as they begin to apply to CO2 and fuel economy testing. This will ensure that testing results are consistent across both programs and avoid changes in the stringency of the GHG/Fuel Economy program. | |
Agency: Environmental Protection Agency(EPA) | Priority: Substantive, Nonsignificant |
RIN Status: First time published in the Unified Agenda | Agenda Stage of Rulemaking: Proposed Rule Stage |
Major: No | Unfunded Mandates: No |
CFR Citation: 40 CFR 86 | |
Legal Authority: 42 U.S.C. 7619 Clean Air Act |
Legal Deadline:
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Timetable:
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Regulatory Flexibility Analysis Required: No | Government Levels Affected: None |
Small Entities Affected: No | Federalism: No |
Included in the Regulatory Plan: No | |
Sectors Affected: 336111 Automobile Manufacturing; 336112 Light Truck and Utility Vehicle Manufacturing | |
RIN Data Printed in the FR: No | |
Agency Contact: Tad Wysor Environmental Protection Agency Office of Air and Radiation USEPA, Ann Arbor, MI 48105 Phone:734 214-4332 Fax:734 214-4816 Email: wysor.tad@epa.gov |