Could someone please direct me to the thread that discusses the 12 Volt air compressor. We store our rig in a tow yard and when we first prepare to leave, it's easy to check the air pressure of all tires. The problem is that since there is no electrical outlets there, we have no way to top off the tires. Of course, once we are in a campground, plugging in our 110 compressor is easy and can complete the job. It just seems the answer is to obtain that 12 volt compressor. The real puzzle is how would you connect the 12 volt to your truck or rig, to obtain power to do the initial job. I would like to know where and what price this product is available. Even on the side of the road, there is no electricity available so in case there is a leak, a 12 volt could top off a problematic tire temporarily until you reach a gas station or your next campground destination. This problem has puzzled me for almost 2 years. Please advise.