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 Airborne ToxicsAir PollutionCars & TrucksClimate ChangeCommunitiesEnforcementEnforcementEnvironmental Justice(-)Freight & Goods MovementRecreational Vehicles & WatercraftResearchTruck & BusAlternative Diesel FuelsCargo Handling EquipmentCarl Moyer Memorial Air Quality Standards Attainment ProgramClimate Change ProgramsCommercial Harbor Craft Community Air Protection Program Community HealthExposureIn-Use Off-Road Diesel-Fueled Fleets RegulationMinimizing Community Health Impacts from Freight(-)Reducing Rail Emissions in CaliforniaResearch PlanningSchool BusesStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection Program(-)Vehicle Emissions Research ProgramZero-Emission Powertrain CertificationInformationResearch 5 results found for InformationEvaluation and Potential Development of Regulations to Reduce Emissions from Locomotives InformationCARB Petitions U.S. EPA to Strengthen Locomotive Emission Standards ResearchMeasuring Real-World Heavy-Duty Truck Emissions InformationRailyard Health Risk Assessments and Mitigation Measures InformationRail Emission Reduction Agreements FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood