Introduction
Currently, most of the cars use fuel. For the car to move from one point to combustion of fossil fuel has to occur. When fossil fuels are burnt, gases that affect the environment are released in the form of smoke (Byan, 2001). More than half of the air pollution that occurs is caused by vehicles. There has been an increase in the number of vehicles that are being used. Among the major gases produced is carbon dioxide which is a greenhouse gas. This gas depletes the ozone layer. When the ozone layer is depleted, very strong sun rays reaches the ...
