The petroleum and motor industries in Europe have recognized the need to establish realistic test procedures to evaluate the driveability performance of cars and fuels. This has been achieved within the Coordinating European Council (CEC) by the CF-24 Working Group, which was formed in 1978.The establishment of a cold weather driveability test procedure and the initial progress to design a hot fuel handling test procedure have been described in previous papers by members of this group. This paper reviews studies carried out in Europe in 1982/1983. The consolidated hot fuel handling test procedure was used to test 23 vehicles on a track in Southern Italy. Four of these vehicles which are prone to vapor lock, with the test fuels used under these ambient conditions were subsequently used to establish the correlation between tests conducted on the track and on indoor chassis dynamometers, as well as the repeatibility and the reproducibility of the test method.