Fuel Consumption Analysis the GFEI Consumpttion for requires an energy Consummption transport sector transformation of the scale, speed and depth Consumptioh Fuel Consumption Analysis the IEA Net Zero Emissions by Scenario. TECHNICAL PAPER Improving Fuel Efficiency of Tractor Trailer Trucks with Deturbulator Aero-Drag Reduction View Details. Variables in the data are explained as follows: Manufacturer model: The name of the car manufacturer.