![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)
Resources
Resources, research, data & other tools
- Advanced Clean Cars Program
- Advanced Clean Fleets
- Advanced Clean Trucks
- Advanced Technology Demonstration and Pilot Projects
- Air Quality Training
- Cargo Tank Vapor Recovery
- Clean Cars 4 All
- Clean Miles Standard
- Clean Mobility in Schools
- Clean Mobility Options Voucher Pilot Program
- Clean Truck & Bus Vouchers (HVIP)
- Community Outreach and Enforcement
- (-)Diesel Enforcement
- Diesel Vehicles
- Drayage Trucks at Seaports & Railyards
- Enforcement of Clean Truck Check HD I/M Regulation
- (-)Enforcement Policy & Reports
- Equipment and Process Precertification Program (Stationary Sources Only)
- HVIP Public School Bus Set-Aside/Local Educational Agency School Bus Replacement Grants
- (-)Low-Emission Vehicle Program
- Low Carbon Transportation Incentives and Air Quality Improvement Program
- (-)OBD - On-Board Diagnostic Program
- Planning and Capacity Building
- Portable Equipment Registration Program (PERP)
- School Buses
- Sustainable Transportation Equity Project
- Truck and Bus Regulation
- Truck and Bus Surveillance Program
- (-)Truck Loan Assistance Program
- Zero-Emission Transportation
- Zero-Emission Truck Loan Pilot Project
- Zero-Emission Vehicle Fleet
- (-)Zero-Emission Vehicle Program
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Fact Sheet
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Diesel truck information
Buying guide for clean and efficient vehicles
Air quality in your neighborhood