Chapter 173-423 WAC

On December 27, 2018, Ecology adopted amendments to Chapter 173-423, Low Emission Vehicles to match California's vehicle emission standards for greenhouse gases effective on December 12, 2018. These changes:

Clarify that vehicle makers would need to meet existing standards agreed to by California, the federal government, and automakers in 2012. This would apply to cars and light-duty trucks sold in Washington for model years 2021 through 2025.
Update requirements and test procedures for meeting California's vehicle emission standards.
Update requirements for on-board diagnostic systems from California's 2015 rulemaking.

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Rule proposal phase (CR-102)

Filing date:
Nov. 7, 2018

Rule proposal documents:

Comment period and public hearing

Comments were due by December 18, 2018. We accepted comments the following ways:

Submit online. View comments.
Attend a public hearing (in person and webinar):

December 11, 2018 at 2 p.m.
Department of Ecology
300 Desmond Drive SE
Lacey, WA 98503

Mail to: Elena Guilfoil
Department of Ecology
P.O. Box 47600
Olympia, WA 98504-7600

Rule adoption phase (CR-103)

Adoption date:
Dec. 27, 2018

Rule effective date:
Jan. 27, 2019

Rule adoption documents:

Rulemaking timeline

Date	Activity
November 7, 2018	Proposed rule (filed CR-102 form) Started public comment period
December 11, 2018	Held public hearing
December 18, 2018	Ended public comment period
December 19 - 26, 2018	Reviewed public comments Prepared adoption package
December 27, 2018	Adopted rule (filed CR-103 form)
January 27, 2019	Rule effective 31 days after filing

Additional languages

Bộ Môi Sinh đã phê chuẩn phần sửa đổi Chương 173-423 WAC Xe Thải Khí Thấp (Low Emission Vehicles). Bộ đề xuất cập nhật luật bang Washington để phù hợp với các luật mới được bang California thông qua vào ngày 28 tháng 9-2018.

Để biết thêm thông tin hoặc cần thông dịch viên, xin liên lạc Elena Guilfoil tại số 360-407-6855.

Contact information

Elena Guilfoil
Rulemaking Lead
elena.guilfoil@ecy.wa.gov
360-407-6855

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