Association Française du Gaz Naturel pour Véhicules

Methane is a colourless, odourless gas abundant in nature. It is the main component in natural gas, a mixture which contains approximately 75% of CH4, 15% of ethane (C2H6) and other hydrocarbons, for instance propane (C3H8) and butane (C4H10). At mild temperatures, methane is a gas less dense than air. It is not...