A group of Republican senators, including Chuck Grassley and John Curtis, have put holds on several Trump administration Treasury nominees due to concerns over solar and wind energy tax credits. This action reflects ongoing unrest among GOP members regarding clean energy initiatives and may delay the confirmation of these nominees. The senators are advocating for the protection and development of renewable energy credits amidst increasing tensions within the party. Reports indicate that resistance to these nominees is fueled by fears that the phaseout of green energy tax incentives could hinder the growth of the renewable sector.