It is all about speed. Motorcycles are aerodynamic pigs. At low speeds they are very efficient, but at highway speeds they are horrible. Bikes are also not g

It is all about speed. Motorcycles are aerodynamic pigs. At low speeds they are very efficient, but at highway speeds they are horrible. Bikes are also not generally tuned for efficiency but horsepower. Find a modern california-spec bike witha modern engine like honda's VFR series. Even being much heavier, they use about 50% of the gas compared to the likes of the R1/6 which are tuned for horsepower.