How does 150 miles to the gallon sound? With the skyrocketing cost of fuel and no end in sight, it is one sweet deal. Gas powered or assisted bicycles can squeeze that much mileage from a gallon of gas and they've come a long way from the old lawn-mower-engine-plus-old-bike contraction. There are bicycle engine kits we can install on a standard steel bike... Or ready to run units... The 80cc 3.5 HP engine on the one pictured above drives the bike at a top speed of 40mph. Gee, they ought to

In our days appear more and more electric bicycles because these are easy to achieve. A new type of electric bicycle was invented. The two engineers named Hans Noeldner and Jeff Radtke, put together a self-contained electric powered bicycle wheel.