Looking for ways to eliminate idling and save energy in your semi-truck? 4 State Trucks has the solution with our top-notch Semi-Truck No Idle products. Our Cab Power options provide the convenience of "living room" electrical amenities for truck drivers, while our easy-to-install evaporator ensures better, quieter airflow and enhanced cooling capacity without the need for duct work. Say goodbye to unnecessary idling and hello to efficient energy use.