ZETA commented on the waiver review process for the Clean School Bus (CSB) Program and the Diesel Emissions Reduction Act (DERA). ZETA requested that EPA ensure that we can secure our supply chain by establishing a minimum domestic content standard and assuring final assembly requirements are a part of the program. ZETA’s comments requested regulatory certainty with predictable, well-defined timelines, implementation conducted with a complete understanding of the zero-emission or low-emission supply chain, and coordination among DOE, DOT, and EPA. Full text here.