Chinese EVs priced as low as $10,000 might spark envy for Americans shelling out, on average, more than $50,000 for a plug-in car—and now it’s even less likely that these lower-priced models will make their way to the US. That’s if new tariffs announced last month by the Biden administration do their job. And, amping up the geopolitical drama, the European Commission recently followed the US in hiking up its own tariffs on Chinese EVs. Chinese EV makers don’t currently have much of a foothold...