Abstract
In the present article, the performance and emission analysis of a bi-fuel CNG vehicle is investigated. A sample car is used for experimental tests. The car is originally gasoline-fuelled. It is converted to a bi-fuel vehicle by installing necessary components. After conversion, it may run on both natural gas and gasoline. The wheel power of the car are measured before conversion together with exhaust emissions, and are assumed as the base power and emission values. After the conversion, similar power and emission tests are carried out for both gasoline and natural gas operations. The power and emissions of the converted vehicle is compared with the base power and emission values for a series of vehicle speeds. Discussion on observed results is presented.
Keywords: CNG, Bi-fuel, Performance, Emission