Take the now mandatory light bar, for example. People. Love. Light bars. I see them on trucks all the time, and I also see them turned off. No one needs to attach the sun’s wattage to their…

Ford’s decision to offer the new F-150 with LED headlights was a step into the future, but what it’s been working on in its European Research and Innovation Centre in Aachen, Germany can be considered a giant leap.