The article discusses methods for maintaining a comfortable temperature inside a vehicle during overnight stays without running the engine. It notes that idling consumes fuel and increases the risk of carbon monoxide poisoning. Recommendations include using sunshades and ventilation in summer, and insulated mats, sleeping bags and thermal blankets in winter. For powering appliances, a portable power station with at least 1000Wh capacity is advised, such as the DJI Power 1000 Mini (1008Wh, 56,210 yen), a rechargeable fan with an 8000mAh battery (9,680 yen), and a portable diesel heater (49,980 yen).
