re auto air conditioning without freon in article c u fy hvx news cso uiuc edu tspila uxa cso uiuc edu tim spila romulan writes in article apr ntuix ntu ac sg mgqlu ntuix ntu ac sg max lu writes we are working on gas solid adsorption air con system for auto applications in this kind of system the energy for regenerating the adsorbent is from the exhaust gas anyone interested in this mail email me or follow up this thread we may have a discussion on prospects of this technology ok i ll bite how is this supposed to work tim better still years ago they demonstrated a cold air system which only used air it was called a rovax the unit worked very well the short coming was the seal technology where is it today at
