The Autopian on MSN

The loud popping sounds you hear from some semi-trucks slowing down actually happen for a practical reason

Millions of semi-tractors hit the road every single year to keep America running with everything from the mail and Amazon ...
NM2255 on MSN

The legendary Porsche 962C with raw engine sound

Experience the legendary 1987 Porsche 962C Short Tail race car pushing hard on a wet race track with incredible raw engine ...