SAFE Vehicles Comments Cover Letter October 26, 2018 Categories Topics Zero-Emission Transportation Type Research Download the cover letter for comments of the California Air Resources Board on the Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule for Model Years 2021-2026 Passenger Cars and Light Trucks. Related Resources Activity- and Accessibility-Based Framework for Mobility Equity Evaluation Sustainable Financing Strategies for Mobility Solutions Planning and Capacity Building, Clean Mobility in Schools, and Sustainable Transportation Equity Project Request for Applications Technical Assistance