REFILE-FOCUS-Auto suppliers retool to chase electric vehicle bonanza

In what seems to be a magic trick, Dele Fayemi runs a batch of batteries in a beaker of boiling water - a physical impossibility that should cause a short circuit. But instead of a highly-dangerous combination of water and electricity, the 3M Co engineer is testing the batteries in Novec, a non-flammable, non-conductive liquid the conglomerate has sold to c