The ProGo 3000 is a (proposed) propane-powered motor scooter that runs on 16.4-ounce canisters:
Technical Specifications
Engine: 25cc 4-stroke
Fuel Type: Propane
Start up: Pull start engine
Acceleration: Thumb throttle
Brakes: Disk
Tire size: 8 inch
Speed: Up to 20 mph
Dry Weight 35 lb.
Frame: Steel
Max Weight: 250 lb.
Run Time: 2-3 hours / 30-40 miles
They plan on retailing them for $449.
