Renault S.A. is a French automaker producing cars, vans and its alliance with Nissan makes it fourth-largest automotive group. Together Renault and Nissan are leading electric car development among major car companies, investing 4 billion euros ($5.16 billion) in eight electric vehicles over the next 3–4 years. Headquartered in Boulogne-Billancourt, Renault owns the Romanian automaker Automobile Dacia and the Korean automaker Renault Samsung Motors. The company's most successful cars to date are the Renault Clio and the Renault Mégane, and its core market is Europe. The company is known for its role in motor sport, and its success over the years in rallying and Formula 1. The French government owns a 15 percent share of Renault. OVL Group Ltd have secured some of the best car leasing deals for Renault.