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- (-)California Racing Vehicles
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- Enforcement of Clean Truck Check HD I/M Regulation
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- New Source Review Permitting Programs
- New Vehicle and Engine Certification
- Off-Road Compression-Ignition Certification Program
- (-)Oil and Natural Gas Production, Processing, and Storage
- On-Road Heavy-Duty Certification Program
- (-)Portable Equipment Registration Program (PERP)
- Protect California Air Act of 2003 - Senate Bill 288
- Public Safety Power Shutoff (PSPS) Events
- Semiconductor
- (-)Stationary Hydrofluorocarbon Reduction Measures
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