美国交通部提议，联邦资助的电动汽车充电站最高可要求100%使用美国本土生产的零部件。

Core Viewpoint - The U.S. Department of Transportation has proposed that federally funded electric vehicle charging stations may require 100% use of domestically produced components [1] Group 1 - The proposal aims to enhance domestic manufacturing and support local industries by mandating the use of American-made parts in electric vehicle charging infrastructure [1] - This initiative is part of a broader strategy to promote electric vehicle adoption and reduce reliance on foreign supply chains [1] - The requirement could potentially impact the cost and availability of charging stations, as companies may need to adjust their sourcing strategies to comply with the new regulations [1]