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As automakers spend billions to rack up autonomous miles and map city streets, Toyota Motor Corp. and BMW AG are also betting on a startup with a more modest approach.

The chief executive of North America’s biggest auto supplier warned that overly complex NAFTA changes could result in a “lose-lose-lose” situation that leaves U.S., Mexican and Canadian manufacturers vulnerable.

Daimler Trucks is trying to gain a foothold in the nascent electric-truck market with short-range haulers that can make New York City’s clogged streets cleaner and quieter.