Recently, the size of the trend of car, large engine, high speed, such as the problem is not as important as the previous, as the name of the new type, hybrid car, FCV, EV, as shown by the PHV, environmental pollution control measures, such as fuel consumption measures it looks to focus. In addition we also easy to write things like (Car quoits) "carquoits" of the name of this app is to raise the issue, such as related to the automobile, and a brief description of the type of engine or, for many on the earth is rich car major countries air pollution that occurred in association with the ownership, traffic congestion, we will answer to the quoits to question, including issues such as the fossil fuel depletion.