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Resources, research, data & other tools
- (-)Advanced Clean Cars Program
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- (-)Alternative Fuels
- California Racing Vehicles
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- Emergency Backup Generators
- Enforcement of Clean Truck Check HD I/M Regulation
- Enforcement Policy & Reports
- Fuels Multimedia Evaluation
- Fuels Program
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- (-)Portable Equipment Registration Program (PERP)
- Public Safety Power Shutoff (PSPS) Events
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- (-)Sustainable Communities & Climate Protection Program
- Vapor Recovery
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Diesel truck information
Buying guide for clean and efficient vehicles
Air quality in your neighborhood