en Regular gasoline is no longer useful in our service stations in January 2009, unleaded petrol, its consumption has increased to replace in recent years. This distance was decided to "expand the use of unleaded gasoline, produces no pollution," to save, if possible, a little "of the earth. The consumption of regular gasoline of 38% between 2001 and 2004, from 80,000 tonnes to 50,000 tonnes in the autumn.