The rule pertains to provisions in the Inflation Reduction Act that bar vehicles from eligibility if their battery minerals come from China, Russia, Iran and North Korea.
The final rule issued Friday cements a previously proposed two-year carve out for certain minerals whose sources are difficult to trace.
It also expands the provision — adding graphite — a mineral that can make up a significant share of an EV battery and often comes from China.
The move won cheers from the auto industry, which said it will bolster electric vehicle adoption and give companies more time to shore up their supply chains.
But critics, including Sen. Joe Manchin (D-W.Va.), argue that the rule circumvents stipulations in the law meant to reduce reliance on foreign powers like China.
Read more in a full report at TheHill.com.