The causes and solutions of OBD2 Scan Tool high fuel consumption

The main reason for the high  OBD2 Scan Tool  fuel consumption, and we should take measures to:
A seasonal reasons:
Winter and summer, the cost of oil, not only small love high fuel consumption and other car fuel consumption also increased. This is the one we can not control and change the external environment.
Winter, we have here a minimum temperature of minus 30 degrees. Liana my friend opened each box oil able to open more than 400 kilometers (50 liters fuel tank, the manufacturer announced that constant fuel consumption of 4.45 liters / 100 kilometers), more than 10 of the actual fuel consumption is more than 2 times the manufacturers published fuel consumption constant ; I love (Please note that the external environment of the two vehicles to exercise the same), able to open more than 600 km per case oil (51 liters fuel tank manufacturers announced a constant fuel consumption of 6.1 liters / 100 kilometers), more than the actual fuel consumption of 8 , manufacturers announced constant fuel consumption of 1.25 times.
I was a few days before the measurement of fuel consumption, 590 kilometers (miles) run after the last fill up, oil 48.25 liters (6.01 yuan / liter, payment of 290 yuan, added on December 17), the average fuel consumption of 8.18 liters / hundred km (very clever, and I buy a car price). The fuel consumption has more than lexia 3 v47  summer an oil.
Elysee fuel consumption, I was satisfied.
For the summer, we can not change the weather, but we can control the travel time, driving in the cool morning, less air conditioning, can reach the same destination.
2, traffic reasons:
Beijing and other big cities, the provincial capital city, small and medium-sized cities, suburban and rural areas, the roads are definitely not the same, the impact of car fuel consumption is also very large.
Mega-cities, traffic congestion. Line, Bigfoot throttle Kai car; want to stop, Bigfoot is the brakes; sometimes stop-and-go, slow forward, considerable fuel consumption per vehicle are the same, we can not control and change. What we can control is the travel time and travel route to avoid traffic congestion, commuting time and often congested sections, can reduce fuel consumption.
I live in the small and medium-sized cities, road conditions are pretty good.
3, the path reasons:
Path different impact on fuel consumption, which we should always planning.
My house to the train station three kilometers, the middle of two road sections selectable (essentially the same distance), which all junctions through a right turn, do not look at the lights and wait, and save both time and fuel. When you are driving in the city, try to choose less to see the lights and wait for the turn right path.
Road trip, choose the lane is newly built in recent years, Pohuan less bend and slow; Do not choose the road (especially liberation there) is narrow, slope big bend more anxious. My city Hailar to Ulanhot two paths are available, a Bock Figure Zhalantun in recent years to repair the road, traffic, very little use of the VAG Diagnostic Tool  brakes, five and a half hours away; another Aer way bend more urgent, frequent use of the brakes, you need eight hours, fuel consumption is certainly much higher.
The navigator is very good, it can help us to plan travel routes, and less costly mistakes, "reduce fuel consumption. Navigator friend on the Internet, there are a lot of very good map website can also help us to plan travel routes (detailed than transportation atlas and more), to print their shots, carry.