Governing Law and Regulations
Employer trip reduction and commuting: 42 USC 7511a(d)(1)(B)
Gasoline volatility: Michigan Compiled Laws (MCL) 290.650d
Michigan Department of Environmental Quality (DEQ) Environmental Protection Air Quality Division
U.S. Environmental Protection Agency (EPA) Region 5
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. There are many mobile source regulatory requirements implemented nationally by EPA that impact mobile sources in Michigan. The state has promulgated additional requirements to control gasoline volatility in selected counties in order to reduce emissions of volatile organic compounds, which are a precursor to ground level ozone.
• Administration and enforcement. The EPA administers and enforces the federal mobile source requirements that may affect Michigan. DEQ's Air Quality Division administers and enforces the gasoline volatility requirements.
EMPLOYER TRIP REDUCTION AND COMMUTING
The Clean Air Act Amendments of 1990 required states that have severe or extreme ozone nonattainment areas to revise their state implementation plans (SIPs) by adopting new regulations to reduce work-related vehicle trips and miles traveled by employees. In 1995, Congress amended the law allowing states to remove employer trip reduction (ETR) programs from the SIP, as long as the state can maintain emissions reductions equivalent to those achieved with the ETR program. Michigan has not implemented an ETR program.
All gasoline sold in the following counties during the period from June 1 to ...