Redevelopment of the former General Motors factory in Doraville is in limbo as state and county leaders seek tax incentives to move the project forward.

Georgia's economic development chief Chris Carr told DeKalb legislators Thursday that the effort could fail unless the county school district signs onto the tax financing.

But school board members have resisted participating in the project, saying they're uncertain whether it would benefit students.

Developers hope to revitalize the 165-acre Doraville site into a commercial and residential hub for the region.