France dominated by domestic brands such as Renault (27% of cars sold in France in 2003), Peugeot (20.1%) and Citroën (13.5%). Over 70% of new cars sold in 2004 had diesel engines, far more than contained petrol or LPG engines. France possesses the Millau Viaduct, the world's tallest bridge, and has built many important bridges such as the Pont de Normandie. There are 464 airports in France. Charles de Gaulle Airport, located in the vicinity of Paris, is the largest and busiest airport in the country, handling the vast majority of popular and commercial traffic and connecting Paris with virtually all
Millau Viaduct Vinci Group specialising in prestressing. It installed the cable stays and put them under tension, while the prestress division of Eiffage was responsible for prestressing the pillar heads. The steel road deck, and the hydraulic action of the road deck were designed by the Walloon engineering firm Greisch from Liège, Belgium, also an information and communication technologies (ICT) company of the Walloon Region. They carried out the general calculations and the resistance calculations for winds of up to . They also applied the launching technology. The sliding shutter technology for the bridge piers came from PERI. The bridge's construction cost