The centre of London roared to the sound of two and four-wheeled racing motorbikes and cars on Wednesday as Ducati Corse and Ferrari tied up with their fuels and lubricants supplier Shell for a spectacular street display in front of an estimated 20,000 crowd. The event, involving a series of demo runs up and down a closed road, was organized by Shell to promote the launch of Shell V-Power performance fuel in the UK. Shell V-Power has been developed using the knowledge gained from development and testing of tailored Shell V-Power used in the Ducati Desmosedici.