SAFE Vehicles Comments Cover Letter October 26, 2018 Categories Topics Mobile Source Programs 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 Previously Eligible Vehicles for Purchase Incentive Programs Activity- and Accessibility-Based Framework for Mobility Equity Evaluation Sustainable Financing Strategies for Mobility Solutions