fuel qualities and the oil marketjune 22 23 2006platts iberian roadshow madrid lisbon what we ll be discussing recent spot price developments transportation quality standards impact of specification changes in us gasoline market assessment structure drivers 2001 2006 rampant demand growth particularly asia background strong global economic limited spare production capacity with probable exception saudi arabia relatively low stock levels although situation is currently more comfortable a constrained refining environment speculative investments energy markets differentials driving seat has been key variable europe supplies both east west outright cracks at record margins significant continuing tightening across products not only diesel gasoil also targeted 2005 were their strongest years refinery utilization rates have high crack spreads light heavy sulfur spread spring lull progress between now 2010 will depend to large extent on successful reduction emissions from road transport auto ii programme eu