After-sale services are important to the truck and heavy duty vehicle producers due to limited customers and usage. Therefore, these carmakers concentrated on keeping their loyal customers. Were they successful?

Worn out trucks are one of the main reason for air pollution in Iran and the government have decided to renovate this vehicles with facilitations.

The Sierra goes on sale this fall.

While truck lovers are typically known for craving power, it’s usually for hauling heavy payloads, not hauling on the dragstrip. But every now and then, engineers at some of the world’s biggest automakers get lucky and slip an insanely fast pickup past the corporate lawyers and bean counters out onto the streets.

Revisit Chevy’s trucking past through 63 photos and picks for the best of the bunch.