Why Trump tariffs on Mexican cars might not work

US carmakers plan to manufacture almost 1 mn more cars in Mexico by 2022

President-elect Donald Trump says he wants automakers to build cars they sell in the US at home or pay a hefty tax. He had also called for 35% tariff on autos produced south of the Rio Grande. But US automakers Ford, GM and Fiat Chrysler are planning to manufacture almost 1 million more cars in Mexico by 2022, according to LMC Automotive, while building half a million fewer cars in the U.S. Over the past five years, several automakers have rushed to build factories in Mexico. The largest car companies have announced at least $22 billion in investments and about