Chinese EV manufacturers face a new challenge in their pursuit of U.S. customers: a new House bill that would limit or ban the introduction of their connected vehicles.

The bill, introduced by U.S. Rep. Elissa Slotkin, comes as the trade war between the U.S. and China heightens in the aftermath of the Biden administration’s decision to quadruple import duties on Chinese electric vehicles to 100%.

Chinese EV manufacturers haven’t yet made significant inroads into the U.S., as they have in Europe. The bill’s goal appears to curb manufacturers before they can flood the American market with smart, cheap cars. Slotkin, a former CIA analyst and Pentagon official, has repeatedly warned Congress about the threat posed by Chinese-built connected vehicles...