Cal. Gov. Code § 14450

The department, in preparing its research and development program, shall consult with other parts of the transportation industry, including the private and public sectors, in order to obtain maximum input designed to develop a balanced multimodal research and development program. The department shall also consult with affected state agencies, including the Department of Motor Vehicles, the State Air Resources Board, the State Energy Resources Conservation and Development Commission, and the Department of the California Highway Patrol.