Demand for clean fuel vehicles running on natural gas is gaining momentum due to the rise in concern about environment protection. Governments across the world are promoting the usage of natural gas vehicles owing to the increase in greenhouse gas emissions. Currently, compressed natural gas (CNG) is the primarily used form of natural gas in vehicles worldwide. This gas is compressed at high pressures of about 200 bars and is then dispensed into the CNG tanks of vehicles. CNG is used largely ... Read more