Chapters 173-424 WAC and 173-455 WAC

Ecology is starting rulemaking for a new rule, Chapter 173-424 WAC, Clean Fuels Program Rule and proposes to update Chapter 173-455 WAC, Air Quality Fee Rule.

This new rule may:

  • Establish carbon intensity standards for transportation fuels used in Washington.
  • Assign compliance obligations to fuels with carbon intensities that exceed the standard.
  • Establish compliance methods including assigning credits to fuels that have carbon intensities below the standard.

This rulemaking may also update Chapter 173-455 WAC to establish the process for setting fees to recover the cost of developing and implementing the program.

In May 2021, the governor signed the Transportation Fuels – Clean Fuels Program directing Ecology to adopt rules to reduce the carbon intensity of transportation fuels by 20 percent below 2017 levels by 2038. The law intends to reduce emissions of greenhouse gases and conventional air pollutants, and support the use of innovative clean fuel technologies.

Rulemaking timeline

Timeline

Announcement phase (CR-101)

Filing date:
July 20, 2021


Announcement documents

Rule development phase

July 20, 2021 – Summer 2022



Public input & involvement

Public comment period (informal) – EXTENDED
October 6, 2021 – April 25, 2022 (originally April 10, 2022)

Comment online and read others' comments.
 

Ecology's meetings with stakeholders

Date Documents Location
Wednesday
October 6, 2021
9:30 a.m. – 12:30 p.m.
Agenda
Presentation
Meeting summary
webinar 1

Tuesday
November 16, 2021
2 p.m. – 5 p.m.

Agenda
Presentation
Draft rule language
Meeting summary
webinar 1
Thursday
January 27, 2022
1:30 p.m. – 4:30 p.m.
Agenda
Presentation
Draft rule language
webinar 1
Tuesday
March 15, 2022
9 a.m. – noon
Agenda
Presentation
Draft rule language
WA-GREET draft model *
WA-GREET supplemental document
WA Crude Carbon Intensity Analysis
WA Crude Carbon Intensity Lookup Table
Indirect Land Use Conversion (ILUC)
webinar 1
Wednesday
April 13, 2022
9 a.m. – 12:30 p.m.
Agenda
Presentation
Draft rule language
WA Carbon Intensity Model Peer Review Report
WA Utility Carbon Intensity Calculator
WA-GREET supplemental document
WA Crude Carbon Intensity Analysis (updated)
Indirect Land Use Conversion (ILUC) (updated)
Tier 1 Carbon Intensity Calculator:
  • Biomethane from Landfills
  • Biomethane from Dairy, Swine Manure
  • Biomethane from Organic Waste
  • Biomethane from Wastewater Sludge
  • Renewable Diesel
  • Starch and Fiber Ethanol
  • Sugarcane-Derived Ethanol
  • Liquid Natural Gas and Liquid to Compressed Natural Gas
webinar 1


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Additional languages

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Accessibility

To request ADA accommodation for disabilities, or printed materials in a format for the visually impaired, contact Ecology's ADA Coordinator by email at ecyadacoordinator@ecy.wa.gov, or call 360-407-6831. People with impaired hearing may call Washington Relay Service at 711. People with speech disability may call TTY at 877-833-6341.