Some observers are worrying that Boeing’s battery problems could short-circuit the nascent market for plug-ins, hybrids and other electrified automobiles. Investigators in the U.S. and Japan have put a spotlight on the lithium backup power systems used on the new Boeing 787 Dreamliner jet, linking the technology to several recent incidents, including a fire on one of the Dreamliners parked at a gate at Boston’s Logan field.
