Innovation On The Road
By David Talbot
Innovation
April 2001


Advanced automotive electronics used to mean digital dashboard displays or electronic fuel injection. But carmakers are now moving toward a full electronic embrace of basic systems ranging from valve timing to steering. To provide the needed juice, they are adopting a new 42-volt electrical system, replacing the 14-volt standard that has reigned since 1955.

Ford Motor was first to make a public commitment with its January announcement that the Explorer sport utility vehicle will include a 42-volt system in 2004, initially enabling a new combined starter/alternator. The engine would shut off at every red light; a tap on the gas would fire the starter/alternator, moving the Explorer forward while rapidly restarting the engine. Ford predicts dramatic fuel economy gains
here