Regulatory and Guidance Documents

Contact

Tractor-Trailer Greenhouse Gas Regulation History

2018California Phase 2 GHG Adoption and Tractor-Trailer GHG Amendments
2014California Phase 1 GHG Adoption and Tractor-Trailer GHG Amendments
2012Emergency Regulation to Tractor-Trailer GHG
2011Tractor-Trailer GHG Amendments
2010Tractor-Trailer GHG Adoption

Fact Sheets

General Fact Sheet 
Large Fleet Compliance Fact Sheet 
Small Fleet Compliance Fact Sheet
Local-Haul Fact Sheet
Short-Haul Fact Sheet 
Low Rolling Resistance Tire Fact Sheet
Storage Trailer Fact Sheet

Presentations

Overview Presentation

Guidance Documents

Implementation Guidance for Modifying Aerodynamic Technologies

Advisories

MSC 14-17U.S. EPA Granted CARB a Waiver Authorizing Enforcement of Tractor-Trailer Greenhouse Gas Regulation
MSC 12-26California Air Resources Board Further Clarifies the Low Rolling Resistance Tire Requirements for 2010 and Older Tractors
MSC 12-19California Air Resources Board Clarifies the Low Rolling Resistance Tire Requirements for 2010 and Older Tractors
MSC 12-17California Air Resources Board Extends the Registration Deadline for the Small Fleet Compliance Plan to January 1, 2013
MSC 12-09 California Air Resources Board Extends the Registration Deadline for the Small Fleet Compliance Plan of the Tractor-Trailer Greenhouse Gas (GHG) Regulation
MSC 12-06California Air Resources Board Received Final Approval to Extend the Reporting and First Year Compliance Deadlines for the Option 2 Large Fleet Compliance Plan of the Tractor-Trailer Greenhouse Gas Regulation
MSC 11-39California Air Resources Board Extends the Reporting and First Year Compliance Deadlines for the Option 2 Large Fleet Compliance Plan of the Tractor-Trailer Greenhouse Gas Regulation
Advisory 429Tractor-Trailer Greenhouse Gas Regulation Reporting Deadline Extended to August 1, 2011
Advisory 426Tractor-Trailer Greenhouse Gas Regulation Implementing Amendments Considered by Board on December 17, 2010
Other AdvisoriesEnforcement Advisory Web Page