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California Code of Regulations
Title 4. Business Regulations
Division 9. Division of Measurement Standards, Department of Food and Agriculture
Chapter 6. Automotive Products Specifications
Article 8. Specifications for Hydrogen Gas Used in Internal Combustion Engines and Fuel Cells
§ 4180. Definitions Used in this Article.
§ 4181. Specifications - Hydrogen Fuel Used in Internal Combustion Engines and Fuel Cells.