How China became the leading car supplier to Mexico and what it means for the U.S.

Blocked from the U.S. by tariffs, Chinese electric vehicle makers have looked elsewhere to sell their high-tech cars. But as Mexico has emerged as a hot spot for Chinese EVs, Washington officials worry the country may be used as a “backdoor” to the U.S. market.  

Last year, China was the leading car supplier to Mexico, exporting $4.6 billion worth of vehicles to the country, according to the Mexican Ministry of Economy. Even customers wary…