An air-use permit for General Motors was reaffirmed Thursday, advancing a planned plant in suburban Lansing.
Environmental groups criticized the permit, saying it would allow the emission of paint fumes, but a GM spokesman said it would be the cleanest assembly plant ever built.
GM is proposing to construct a new automobile body coating process and vehicle assembly plant in Delta Township, just west of Lansing. It would be able to build 356,000 cars a year.
The permit was reaffirmed by the state Department of Environmental Quality, which had originally issued it last Sept. 6. The U.S had remanded the case to the state.
Environmental Protection Agency for further review of air emission control technology requirements.