Michigan

Current Regulations: Detroit-Ann Arbor has a summer max. 7.8 psi RVP gasoline standard (MI Administrative Code, Regulation No. 561, R 285.561). There are exemptions for unleaded premium gasoline for airports, marinas, mooring facilities, and resorts. There are also exemptions for collector vehicles, off-road vehicles, motorcycles, boats, snowmobiles, and small engines. In a letter dated 8/15/03, EPA announced enforcement discretion for a one week period from the low RVP gasoline requirement for Detroit because of the electric power disruption. In a letter dated 8/21/03, EPA extended the enforcement discretion for Detroit through 9/3/03. EPA further extended this enforcement discretion for the Detroit-Ann Arbor summer low RVP gasoline requirement through 9/15/03. Also see the Governor's Executive Orders No. 2003-10, 2003-11, and 2003-12.

The Governor signed HB 5508 on 4/2/06 (see Act No. 104; MCL 290.650d) and this tightens the summer low RVP gasoline standards for Detroit - Ann Arbor to a max. 7.0 psi, effective 6/1/07. EPA approved this change (72 FR 4432; 1/31/07).

HB 5570 was signed by the Governor in June 2000 and bans MTBE in gasoline effective 6/1/03. See Michigan Administrative Code Regulation No. 564.4 (R 285.564.4).

Automotive gasoline specifications enforced by the Department of Agriculture, Laboratory Division, are at MI Administrative Code Regulation No. 564 (R 285.564). Motor fuel must meet ASTM standards; see MCL 207.1124(1).

In a memo dated 11/22/04, the Chief Deputy Treasurer in the MI Department of Treasury announced that diesel will not have to comply with the ASTM lubricity standard until January 1, 2006.   

In a multi-state letter dated 8/31/17, to address a fuel supply emergency caused by Hurricane Harvey, EPA allowed 11.5 psi RVP gasoline throughout the state through September 15.  

Legislature: HB 4578, introduced in April 2001, would require 10 vol% ethanol blends in all gasoline beginning 7/1/02.

Introduced in May 2002, SB1357 would require at least 2% biodiesel for diesel fuel beginning on Jan. 1, 2004.

Introduced in May 2004, HB 5942 would require that diesel fuel contain at least 20% biodiesel beginning January 1, 2007.

HB 4235, introduced in February 2005, and SB 331, introduced in March 2005, would require that diesel fuel contain at least 2% biodiesel (except for railroad locomotives and off-road taconite and copper mining equipment and machinery) effective after 1/1/07 and after determination that the biodiesel annual production capacity in MI exceeds 12 million gallons.Introduced in September 2005, HB 5119 would require that all gasoline include at least 10% ethanol. HB 5120, introduced in September 2005, would require that diesel contain at least 5% biodiesel (except for railroad locomotives and off-road taconite and copper mining equipment and machinery) effective after 12/31/06 and after determination that the biodiesel annual production capacity in MI exceeds 12 million gallons.

Introduced in June 2006, SB 1341 would require all gasoline in MI to include at least 2% ethanol.

SB 33, introduced in January 2007, would require all gasoline to include at least 2% ethanol beginning on 12/31/07. Introduced in February 2007, HB 4198 would require all gasoline to contain at least 10% ethanol.

Introduced in September 2008, HB 6481 would require certain motor fuel terminal operators and wholesalers to make gasoline without ethanol available to watercraft fuel dealers.

HB 4111, introduced in January 2009, would require a wholesaler or terminal operator that sells gasohol to retail fuel dealers for use in watercraft from April 1 through October 31 of each year to also have gasoline without ethanol for sale to any retail fuel dealer that sells at least 25% of its motor fuel for use in watercraft. Introduced in April 2009, SB 485 would require 2% ethanol in gasoline beginning 12/31/09, with exceptions for 2-cycle engines, small aircraft, boats, and historic vehicles. HB 5383, introduced in September 2009, would require the MI Department of Environmental Quality to adopt a Low Carbon Fuel Standard in one year to reduce the carbon intensity of motor vehicle and alternate fuels by at least 10% by 2020 with credits and market incentives.

Introduced in June 2011, HB 4823 would require certain motor fuel terminals and wholesalers to make gasoline without ethanol available during the summer. 

Last updated September 2017