General Motors is teaming up with LG to develop lithium manganese-rich (LMR) batteries for its electric trucks and SUVs. The automaker says that the new chemistry is safer, more energy dense, and less costly than the current technology. GM aims to become the first automaker to deploy LMR batteries in EVs, with plans to start commercial production in the US by 2028. Last month, Ford announced that it would start adopting LMR batteries for its EVs, but not until 2030. In EV batteries, the cathode,...