Audi h-tron Quattro concept uses hydrogen, four-minute refuel
Audi's appearance at the North American International Auto Show was highlighted by a key talking point at this event.
Audi's appearance at the North American International Auto Show was highlighted by a key talking point at this event.
(Phys.org)—Instant crowd pleaser: Any headline that promises more battery life for smartphones. And why wouldn't it be a crowd-pleaser, considering the hassles in running out of juice when you need it the most?