Micro-cars of the World

To diminish our dependence on oil, many alternatives are being explored. Scooters and motorcycles are fine, but not for all weather. I think 3 or 4 wheeled personal vehicles, especially designs that handle snow and ice driving, are a better answer. Here is a video showing an amazing amount of micro-cars going back 70 years. It looks like Europe and Asia have had the right idea for a long time.