Data from the sensors have also highlighted that even a single flight of stairs is
a powerful psychological barrier: People who work on different floors of a building almost never talk to each other, even if doing so would mean a walk of less than a minute.
I reckon they should make all the Prius cars * plug in hybrids; * put bigger battery packs in them to extend the EV only range — anything above 100 miles EV only range seems to overcome a lot of
psychological barriers; * put a smaller gas engine in it and a more
powerful Electric Motor — Electric Motors have recently become smaller, lighter and more
powerful; * use carbon fiber body panels to reduce weight;