Okay, the science nerds in the audience didn't exactly let us know that we've entered the age of commercial superconductors, but apparently Sumitomo
Electric has built a Toyota Crown Comfort that's powered by a superconducting engine. Cooled by liquid nitrogen to -200° C, apparently all this madness nets you an extra 10% gain in distance over regular battery-powered motors. In other words: totally, completely worth the near comical impracticality.
[Via Uber Review