re auto air conditioning without freon in article apr research nj nec com behanna syl nj nec com chris behanna writes several chemists already have come up with several substitutes for r you don t hear about them because the mobile air conditioning society macs that is the people who stand to rake in that to per retrofit per automobile have mounted an organized campaign to squash those r substitutes out of existence if not ban them altogether on very shaky technical grounds at best on outright lies at worst now i m not saying you re wrong because i know that the r substitutes exist but this sounds a lot like the mpg carbs that the oil companies keep us all from getting mark
