That headline is a little misleading, since it assumes pen and paper have gone the way of the Chevy station wagon for car designers, when such tools are still vital. Car Design News offers a quick tutorial for adding color to render line drawings without the help of digitools — using markers, airmarkers and pastels. Just like back when Windows were just for smashing with pop flies.
Tutorial: Rendering with Marker and Airmarker [Car Design News]
Related:
Pforzheim Transportation Design Degree Show [internal]