In the space of one week, we’ve been shown the future of German car interiors. And gone are the days when Audi, BMW and Merc benchmarked each other’s every move down to the click of the volume knob.

The year is 2015. “Mad scientist” Doc Brown has just brought wide-eyed teenager Marty McFly to the future in style: aboard a flying DeLorean. Although the time travelers are out of place, their mode ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Hydrogen fuel-cell vehicles aren’t just fodder for science fiction ...