The automobile takes the oil heavily According to economizing on fuel the view, the relation in direct proportion to oil consumption that the automobile conducts oneself with dignity, namely the automobile with the bigger weight consumes the oil, It is economic and relatively bad to use, for example the small- scale car conducts oneself with dignity and increases by 40 kilograms and consume more 1% of fuels each time; Conduct oneself with dignity heavy automobile possess and take a sudden turn and bring to a halt state stability better merit, The phenomenon that’ send and float’ that it is difficult to happen.!