Designed to power GM’s future electric and full-size SUVs, the new technology boasts an incredible 33 percent increase in energy density over today’s best lithium iron phospha

GM says it has developed cells that will make batteries cheaper and more energy dense. The automaker aims to be the first to bring them to market.

General Motors has cracked the chemistry of lower-cost, energy-dense electric vehicle batteries. Budget-conscious gasoline holdouts may soon have no excuse.