Detroit automakers warn revisions to North American free-trade deal could cost them billions

U.S. auto executives worry that U.S. proposals floated ahead of talks scheduled with Mexican trade officials next month could jack up costs even further.

U.S. auto executives now worry that proposals floated ahead of talks with Mexican trade officials next month could raise operational costs even further

U.S. car companies are still struggling to absorb the raft of tariffs implemented by the Trump administration last year