Michigan Regulators Approve Marathon Petroleum Refinery Expansion Amid Air Quality Concerns
Michigan regulators have approved air quality permits for Marathon Petroleum's refinery expansion in Southwest Detroit. The approval comes after a recent power outage caused the refinery to flare excess gas, leading to health concerns and road closures in the area.…
Detroit, MI, August 1, 2026 —
Michigan regulators have granted air quality permits for an expansion project at Marathon Petroleum’s refinery located in Southwest Detroit. The decision by state environmental authorities allows the refinery to proceed with its planned upgrades.
The approval follows a recent incident where a power outage at the refinery resulted in the flaring of excess gas. This event raised health concerns among local residents and led to temporary road closures in the vicinity.
While the expansion is projected to lead to an increase in the emission of certain pollutants, the Michigan Department of Environment, Great Lakes, and Energy (EGLE) has incorporated specific conditions into the permit. These conditions are intended to mitigate potential environmental and health impacts.
Among the stipulations is the extension of the refinery’s enhanced air monitoring program. The details regarding the duration of this extension and the specific pollutants whose emissions are expected to increase were not explicitly stated in the provided summary.
The contractor’s name for the expansion project was not provided. Further details on the specific nature of the expansion and the full scope of the added permit conditions were also not available in the summary.
Story summarized from the original created by Isabelle Tavares on www.bridgedetroit.com, see more information here.
