The administration of United States President Donald Trump wants to increase the percentage of regionally produced content in North American-built vehicles to qualify for preferential treatment under the US-Mexico-Canada Agreement (USMCA) on trade to 82 percent, with 50 percent of that value produced in the US. The new proposal, which was first reported by the Reuters news agency, citing four unnamed sources familiar with the matter, emerged amid negotiations to revise the USMCA in Mexico City. Canada was not present at the negotiations. Recommended Stories list of 4 items list 1 of 4 South Korea’s SK Hynix enters exclusive $1 trillion club list 2 of 4 Blue Origin’s New Glenn rocket explodes on launchpad in Florida list 3 of 4 Gaza parents brave dental dilemma: Costly treatment or food on the table?…