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- Advanced Clean Fleets
- California Climate Investments
- 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
- (-)School Buses
- (-)Transport Refrigeration Unit
- Truck and Bus Regulation
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Diesel truck information
Buying guide for clean and efficient vehicles
Air quality in your neighborhood