Saves enough fuel to pay for itself in a year Reduces the high cost of excessive engine wear due to prolonged idling Stand-alone system does not share the truck's coolant or freon system and will not affect your OEM truck warranty Reduces pollution , protects the environment and complies with anti-idling laws Powered by a 2-cylinder liquid-cooled Perkins or Caterpillar diesel engine, which has its own radiator running independently of the truck's existing system Automatic climate control provides heat and/or air conditioning without any adjustment Extremely efficient and quiet using a special dome-shaped cover designed to "seal in" noise 6,000 watt generator warms the engine block and provides convenient 110 volt house electrical current for appliances and power tools 60 amp DC alternator charges the truck's batteries and runs marker lights.