Donald Thibault, a technical trainer for Uni-Select, a Montreal, Canada-based aftermarket provider, found the Chrysler presentation on the performance of the R-1234yf refrigerant very instructive during the Mobile Air Conditioning Society Training Event and Trade Show in New Orleans. Interviewed by Elliot Maras, editor of Professional Tool & Equipment News, Thibault thinks some modifications may still be needed to accomodate R-1234yf.