It’s long been accepted that the smoother the surface, the lower the aerodynamic drag. That turns out not always to be the case.

The Aptera was conceived to be the most aerodynamic production EV in the world. When it was still in its first prototypes, the company said its drag coefficient was 0.13, the lowest we have ever heard ...

Whether gasoline, diesel, or electric, automakers work hard to wring every last drop of mileage out of their vehicles. Much of this effort goes towards optimising aerodynamics. The reduction of drag ...

The re-profiled wing-to-body fairing of the ADL package improved airflow over the aft fuselage. Photo Credit: ADL As airlines face what is said to be the highest jet fuel prices in two decades, ...

Delta has an agreement to install the ADL drag kit on up to 211 737-800s and 900s. Credit: Mark Wagner Aviation Images Aircraft drag-reduction-kit developer Aero Design Labs (ADL) says it has ...