Contracts & Reports Statewide Clean Aviation Initiative (SCAI)AboutResources Fact SheetsMeetings & WorkshopsAviation Related ContractsCommunity EngagementFederal Aviation Administration LettersGSE Activity Survey2025 Aviation Technology Forum Subscribe Contact Aircraft Email aircraft@arb.ca.gov Phone (279) 842-9577 ContractsZE Taxiing Feasibility Study (Scope of Work)