BRUSSELS — The geopolitical war around Dutch-based, yet Chinese-owned, chip supplier Nexperia is terrifying Europe's carmakers that they'll be hammered by a chip shortage that could wreak havoc with supply chains and shutter production lines. The car industry’s supply of crucial chips from Nexperia is dwindling just weeks after the Dutch government seized control of Nexperia and both the U.S. and China imposed export controls on the company.  “We will see production stops and slowdowns in short