The world's battery boom depends on a supply chain that could snap at any time

Cheap batteries could lose their value proposition if mines can't produce the minerals they need. A shortage could upend whole industries

Aug 19 : Generac is best known for making backyard generators that rumble to life after power failures.But artificial intelligence is its new frontier.The Waukesha, Wisconsin-based company is spending $250 million by the end of next year to equip multiple factories to make beefed-up versions of its generators for data