Detroit Mayor Mike Duggan is interviewed, Tuesday, Dec. 3, 2024, in Detroit. (AP Photo/Carlos Osorio)

Transportation Secretary Pete Buttigieg speaks to an Associated Press reporter during an interview Monday, Dec. 9, 2024, in Monroe, Mich. (AP Photo/Mike Householder)

Transportation Secretary Pete Buttigieg speaks to an Associated Press reporter during an interview Monday, Dec. 9, 2024, in Monroe, Mich. (AP Photo/Mike Householder)