Pure methanol and ethanol generally burn cleanly with a bluish flame color and very limited luminosity. In daylight, it may be difficult to spot such flames. Mears and four of his mechanics went to the hospital. No one was seriously hurt, although Mears underwent plastic surgery on his face. In response, Indy car fuel nozzles were redesigned with the addition of a safety valve that would only open when the nozzle was connected to the car #indy500 #methanol #history