Thankfully styled like the more dashing cousin in the typically awkward-looking compressed air car family, Toyota's Ku:Rin (meaning Air-Wheel) has smashed the speed record for cars powered by (not necessarily hot) air. Sure, measuring a svelte 0.8m across, there's certainly no space for the kids or the groceries, but it can reach a maximum speed of 80.3MPH. All that driving force is generated from compressed air which acts as the fuel, expanding and powering the single motor. Don't expect air compressors to replace tho