we had a hearing before our energy committee and we had a witness by the name of dan mcgrority, and he leads the american resources policy network, and he provided some pretty good examples of our nation's foreign mineral dependence. he pointed out that the minerals needed for clean energy technologies often come from abroad, threatening our ability to manufacture those technologies here at home. and this is what he wrote in his prepared testimony. graphite is key to electric vehicle batteries and energy storage. the u.s. produces zero natural graphite. we're 100% import dependent. he said indium is needed for flat-screen tv's and solar voltaic panels. most -- the u.s. is 81% for the zinc we use and we produce zero indiam. he goes on to say thin film solar panels are made of cigs materials. those letters stand for copper, indium, galium and silinium. we have a copper gap at present, demand exceeding supply. silinium is recovered from copper processes. he goes on further to say galium comes from aluminum processing where we are 99% import dependent and we are closing american smelters a