Welcome back to TechCrunch Mobility — your central hub for news and insights on the future of transportation. To get this in your inbox, sign up here for free — just click TechCrunch Mobility ! Senior reporter (and resident battery expert) Tim De Chant traveled to General Motors’ sprawling Warren Technical Center outside Detroit to learn more about the automaker’s plans to reduce the cost of its next slate of EVs. The upshot: GM is banking on LMR batteries and a new Battery Cell Development