The document describes an automotive device called the Andy Cross Drive. It claims that installing the Andy Cross Drive on vehicles by removing the rear wheels can increase vehicle speed by 60-100% and mileage by 60-160% while reducing CO2 emissions by 40%, all with the same engine, vehicle weight, fuel, and aspiration. It provides specific examples for bikes, cars, trucks, and large transport vehicles. The cost of the Andy Cross Drive is also provided for different vehicle types.