# Regulation of Fuels, Fuel Additives, and Regulated Blendstocks
> **Rule** · — · Published 2025-12-31 · 90 FR 61355
## Document
- **Document number:** 2025-24084
- **Category:** other
- **Federal Register citation:** 90 FR 61355
- **CFR reference:** 40 CFR 1090
- **Publication date:** 2025-12-31
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/12/31/2025-24084/regulation-of-fuels-fuel-additives-and-regulated-blendstocks)
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