Detroit DD13 vs DD15 Fuel Economy Comparison: Real World MPG
A detailed real world fuel efficiency comparison between the Detroit DD13 and DD15 engines.
Coverage of the AeroX packages, fuel maps, and side fairings for highway optimization.
A detailed real world fuel efficiency comparison between the Detroit DD13 and DD15 engines.
Aerodynamics can save you thousands in fuel. We analyze the $1,200 FlowBelow question and see if it outperforms the factory skirts on the 2020 Cascadia.
Turn your truck into a fuel-sipping machine. We explore the aero kits and configurations that optimize 2022 Cascadia fuel efficiency for any fleet.
Factory-backed aero that pays. See how the FlowBelow system integrates with the 2023 Cascadia to deliver elite level fuel performance and ROI.
What does real-world MPG look like for a 2019 Cascadia? We look at fleet benchmarks to see why this is America’s most popular fuel-sipping truck.
The bolt-ons that pay you back. We review the most effective fuel-saving accessories for the 2017 Cascadia, from wind deflectors to side fairings.
Sculpted by the wind, proven by the numbers. Explore the aerodynamic breakthroughs in the 2025 Cascadia AeroX design and its impact on MPG.