Cold mornings have a way of exposing every weakness in a car. Batteries feel sluggish, engines sound rough, and drivers fall ...

Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.

Winter actually causes more damage to diesel trucks than most owners think. Every year problems like gelled fuel, failure to start or weak start, longer warm-up time and even cut short regeneration ...