Could long haul trucks with sleeper cabs be outfitted with a special heater, fuelled by diesel, so the engine doesn't have to be left running to keep the driver warm while the
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VEVOR Diesel Heater 17060 BTU Air Diesel Heater 12-Volt Parking Heater Remote Control with LCD Switch for Boat ZCJRQ12V5KWYJYCB1V0 - The Home Depot
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