“E.V. batteries carry a much heavier burden than their traditional counterparts, powering not just the car’s electronics but also the motor. Slate plans to build its truck with batteries made from nickel, manganese, and cobalt (NMC). NMC batteries were common for many years, but automakers are starting to switch to lithium iron phosphate (LFP) batteries. Each has benefits, but overall, LFP batteries are cheaper, they charge faster and last longer, and their components are more easily sourced.
Still, Slate plans to use more expensive and less efficient NMC batteries because it’s the only way to qualify for the federal rebate.”
…
“The Inflation Reduction Act established very particular sourcing requirements for the E.V. tax credits: By the end of the decade, a vehicle can only qualify for the credit if 100 percent of its battery’s components are “manufactured or assembled in North America” and 80 percent of the battery’s critical minerals are “extracted or processed in the United States or a U.S. free-trade agreement partner or recycled in North America.””
https://reason.com/2025/05/06/both-bidens-and-trumps-policies-are-making-e-v-s-more-expensive