How to solve the problem of dazzling and expensive oil in the Great Wall

The fuel consumption of vehicles is related to driving habits and engine conditions. In terms of driving habits, it is recommended that you drive at a constant speed as much as possible at ordinary times, and keep the speed at 60-90, so as not to accelerate as fast as possible and brake harder ~, while in terms of engine working conditions, clean the throttle and intake pipe, clean the oil circuit and replace the new gasoline filter.