![green trees line both banks of the sacramento river. the yellow tower bridge crosses the blue water leading to the tall buildings of the sacrament skyline. the scene is set against a clear blue sky.](/sites/default/files/styles/hero/public/images/iStock_000007305532Medium.jpg?h=bc70f4df&itok=yyMstC8e)
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Resources, research, data & other tools
- Advanced Clean Fleets
- Advanced Clean Trucks
- Advanced Technology Demonstration and Pilot Projects
- Air Cleaners & Ozone Generating Products
- Air Toxics Program
- California State Implementation Plans
- Carl Moyer Program: School Bus
- Clean Mobility in Schools
- Clean Truck & Bus Vouchers (HVIP)
- Clean Truck Check (HD I/M)
- Community Air Protection Incentives
- Community Air Protection Program
- Community Solutions
- Drayage Trucks at Seaports & Railyards
- Exposure
- Heavy-Duty Greenhouse Gas Certification Program
- Heavy-Duty Low NOx
- HVIP Public School Bus Set-Aside/Local Educational Agency School Bus Replacement Grants
- Indoor Air
- Low Carbon Transportation Investments and Air Quality Improvement Program
- Lower-Emission School Bus Program
- Off-Road Compression-Ignition Certification Program
- (-)On-Road Heavy-Duty Certification Program
- On-Road Heavy-Duty Voucher Incentive Program
- People at Risk
- Rural School Bus Pilot Project
- School Buses
- Sustainable Communities & Climate Protection Program
- Truck and Bus Regulation
- Verification Procedure for In-Use Strategies to Control Emissions from Diesel Engines
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Diesel truck information
Buying guide for clean and efficient vehicles
Air quality in your neighborhood