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The California Air Resources Board (CARB or Board) will conduct a public
hearing at the time and place noted below to consider approving for
adoption the proposed amendments to California’s Heavy Duty Engine On-Board Diagnostic System Requirements (HD OBD) and On-Board Diagnostic System Requirements for Passenger Cars, Light-Duty Trucks, and Medium-Duty Vehicles and Engines (OBD II).
DATE: November 15, 2018
TIME: 9:00 a.m.
LOCATION: California Environmental Protection Agency
California Air Resources Board | Byron Sher Auditorium
1001 I Street
Sacramento, California 95814
This
item will be considered at a meeting of the Board, which will commence
at 9:00 a.m., November 15, 2018, and may continue at 8:30 a.m., on November 16, 2018. Please consult the agenda for the hearing, which will be
available at least ten days before November 15, 2018, to determine the day
on which this item will be considered.
Background
CARB staff is proposing amendments to the heavy-duty on-board diagnostic (HD OBD) regulation (title 13, California Code of Regulations (CCR), section 1971.1), the HD OBD enforcement regulation (title 13, CCR section 1971.5), and to the OBD II regulation (title 13, CCR section 1968.2). Since the regulations were last amended in 2012, CARB staff had discovered issues where many OBD systems have not been operating as they should be in-use, including monitors that do not run frequently in-use and emission-related faults that are not detected by monitors. Additionally, manufacturers have indicated concerns with specific requirements, including high workload burdens related to testing of in-use engines. Further, considering the increasingly stringent emission standards being adopted by the state and federal governments, CARB staff has identified a need to characterize emissions from in-use engines and vehicles to better inform CARB’s inventory, regulatory, certification, and enforcement programs. Thus, as part of the Real Emissions Assessment Logging (REAL) effort, CARB staff is proposing new data, specifically those related to oxides of nitrogen (NOx) and carbon dioxide (CO2) emissions, to be tracked and reported by engines/vehicles to help track real world emissions performance of heavy- and medium-duty engines. Additionally, CARB staff is proposing amendments to strengthen monitoring requirements, address manufacturers’ implementation concerns, and clarify and improve the regulations where needed.
Inquiries concerning the substance of the proposed regulatory action may be directed to the agency representative Leela Rao, Manager, On-Board Diagnostics Program Development Section, at (626) 350-6469 or Adriane Chiu, Air Resources Engineer, On-Board Diagnostics Program Development Section, at (626) 350-6453.
The Notice, ISOR, and all subsequent regulatory documents are available on CARB's Rulemaking Webpage.
Written Comment Period & Comment Submittal
Interested members of the public may present comments orally or in
writing at the hearing and may provide comments by postal mail or by
electronic submittal before the hearing. The
public comment period for this regulatory action will begin on September 28, 2018. Written comments not physically submitted at the hearing must
be submitted on or after September 28, 2018, and received no later than 5:00 p.m. on November 13, 2018, and addressed to one of the following:
Clerk of the Board, California Air Resources Board
1001 I Street, Sacramento, California 95814
Please note that under the California Public Records Act (Government
Code section 6250 et seq.), your written and oral comments, attachments,
and associated contact information (e.g., your address, phone, email,
etc.) become part of the public record and can be released to the public
upon request.
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