We've all joked at one point or another about our cars running on fumes when we're low on gas, but a French company is working towards a car that runs on air — compressed air, that is.
Motor Development International SA is marketing their cars under the title "the Air car" and while they look futuristic (and honestly, just very European!), they make great promises, some of which are a bit far-fetched, but some which merit further review.