Yes, Roof Boxes And Ski Racks Really Do Cut MPG—More Than You Might Think
▶️Does a Roof mounted Cargo Box Effect Your Gas Mileage? Thule Cargo box effect on MPG - YouTube
Fuel consumption with roof tent | Soft shell VS Hard shell – OutdoorDays
Roof racks a drag on fuel economy | University of California
Wind Drag - how aerodynamic is your roof rack setup? - www.turas.tv
Roof racks a drag on fuel economy, consuming an extra 378 million litres of fuel in the US last year - paultan.org
Tune Up, Slow Down and Unpack to Squeeze Extra MPG
Mini-experiment: the wrath of roof racks - MetroMPG.com
Will a roof box increase my car's fuel consumption?
Amazon.com: TACTIK Rooftop Cargo Carrier Hard Shell, X-Large, Dark Slate - Rooftop Cargo Carrier for Top of Vehicle - Car Roof Cargo Carrier - Load & Unload from Both Sides - 57"
Vehicle Features That Will Hurt Your Fuel Economy | AutoTrader.ca