![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
- California Climate Investments
- California Racing Vehicles
- Cargo Tank Vapor Recovery
- Carl Moyer Program: School Bus
- Community Air Protection Incentives
- Diesel Vehicles
- (-)Emergency Backup Generators
- (-)Enforcement of Clean Truck Check HD I/M Regulation
- (-)Enforcement Policy & Reports
- (-)In-Use Off-Road Diesel-Fueled Fleets Regulation
- Large Spark-Ignition (LSI) Engine Fleet Requirements Regulation
- Low Carbon Transportation Investments and Air Quality Improvement Program
- Lower-Emission School Bus Program
- Oil and Natural Gas Production, Processing, and Storage
- (-)Portable Equipment Registration Program (PERP)
- (-)Public Safety Power Shutoff (PSPS) Events
- Rural School Bus Pilot Project
- School Buses
- Semiconductor
- Stationary Hydrofluorocarbon Reduction Measures
- (-)Supplemental Environmental Projects (SEPs)
- Zero-Emission Landscaping Equipment
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Diesel truck information
Buying guide for clean and efficient vehicles
Air quality in your neighborhood