IN this communication I give a somewhat more general discussion of the Fresnel drag coefficient than is usual, with the view of clarifying the relation between two expressions for it, which occur ...

A rounded rear end promotes air swirling and creating little eddies, almost clinging to the body and adding drag. That car designers go to the trouble of aerodynamically sculpting rear light clusters ...

Audi has officially introduced the latest iteration of its A6 Avant, refining the model with enhanced performance, improved ...

Volvo today revealed its new 800V ES90, based on the SPA2 architecture, which combines the ‘refined elegance of a ...

Audi Avant A6 MHEV powerplant mates 2.0-litre diesel engine with 48-volt battery system Total power output is 226 horsepower ...

The latest A6 Avant looks like a more aggressive version of the existing A6 e-Tron. In front, there’s a broad grille with ...