October 20, 2015 10:02 AM EDT
At the end of the classic 1985 movie “Back to the Future”, our young heroes travel in a flying DeLorean to a distant time: October 21, 2015, to be precise. What Marty McFly and Jennifer Parker find is a world that is familiar in a lot of ways, but advanced in others.
In our own version of 2015, we’re distinctly deficient in self-tying shoes, self-drying clothes, and hoverboards (maybe). And (maybe more importantly) there’s a decided dearth of garbage-fed flux capacitors for flying cars. It turns out we still power a few too many of our cars and homes with fossil fuels (that’s so 20th century…). But when it comes to some other aspects of energy and transportation, here are seven examples of how we’ve come a long way. Read more >