Resources Resources such as documents, research, data, and other tools related to the activities of the California Air Resources Board are available from this page. Use the following general categories or the search tool below. Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchA-Z indexVapor Recovery Keywords Air PollutionBiking & WalkingCars & TrucksClean CarsClimate ChangeCommunities(-)Construction & Earthmoving EquipmentConsumer ProductsDiesel VehiclesFreight & Goods MovementHealthIndoor Air Quality & ExposureIndustry & ManufacturingLawn, Garden & Landscape EquipmentOn-Road Heavy-Duty VehiclesRecreational Vehicles & WatercraftResearchSustainable CommunitiesAlternative Diesel FuelsCommunity Air Protection Program Community HealthExposureIn-Use Off-Road Diesel-Fueled Fleets Regulation(-)Large Spark-Ignition (LSI) Engine Fleet Requirements RegulationResearch PlanningSchool BusesStudy of Neighborhood Air near Petroleum SourcesZero-Emission Powertrain CertificationLink 1 results found for LinkLabel Vendors for Off-Road Diesel Vehicles and Large Spark-Ignited (LSI) Equipment FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood