Renault is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker. Together Renault and Nissan are leading electric car development among major car companies. Headquartered in Boulogne-Billancourt, Renault owns the Romanian automaker Automobile Dacia and the Korean automaker Renault Samsung Motors. Renault Trucks, previously Renault Vehicules Industriels, has been part of Volvo Trucks since 2001. The company is known for its role in motor sport, and its success over the years in rallying and Formula 1.