Clash comes as global demand surges to power batteries for electric cars.. A northern Nevada mine that is the largest-known source of lithium in the United States for electric car batteries is facing resistance from a radical environmental group and some of its American Indian supporters. The mine at Thacker Pass is on Bureau of Land Management property in rural Nevada between two mountain ranges about 25 miles south of the border with Oregon. The fight reflects other political battles between liberals and far-left factions within the Democratic Party, with larger ramifications for the party’s agenda. Lithium is the key...