The C6.R had air conditioning when it debuted in 2007, but it was already recommended in 2006 [www.lemanszone.de] http://www.imsaracing.net/2006/competitors/bulletin06-03Final.pdf so I wouldn't be surprised if someone had beaten them to it, or if they just designed it in because they expected it would be mandatory by the time the car debuted. #oppositelock