Are Propeller Planes More Fuel Efficient?
Are Propeller Planes More Fuel Efficient? Turboprops have an optimum speed below 460 miles per hour (740 km/h). This is less than jets used by major airlines today, however propeller planes are much more efficient. … Propfans are a more fuel-efficient technology than jet engines or turboprops. Are propellers more efficient than jets? Turbojet engines