Direct Final Rule: Modifications to Standards and Requirements for Reformulated and Conventional Gasoline Including Butane Blenders and Attest Engagements Additional Resources
- Fact Sheet: EPA Issues a Direct Final Rule to Modify Certain Provisions of the Reformulated and Conventional Gasoline Regulations Including Provisions for Butane Blenders and Attest Engagements (pdf) (228 KB, EPA420-F-05-030, December 2005)
- Direct Final Rule (pdf) (265 KB, published December 15, 2005)
