More cost-effective in the end should be obd2 usb

I believe directly at the gas station to refuel with cash obd2 usb most of the owners of the habit of refueling, but you know what? Different gas stations, all have their own preference margins, cash refueling their owners, you know where refueling cheapest relatively PetroChina petrol stations than, the Sinopec and kind Some, most of the petrol stations will different levels of benefits, the less margin of preference in 1-2 corner / liter, and more able to achieve 3-4 corner / liter, so accounting of down 92 oil the basic gasoline prices in the 7.22 yuan / liter -7.62 / l, although the margin of preference and not particularly large, but for the end consumer, in the course of time can save lots of money.
Of course, in addition to the two giants, we can see a lot of foreign stations, such as TOTAL, Shell petrol stations petrol also has no small concessions, such as the Shell gas station No. 92 gasoline margin of preference in 30 cents / liter or so, but also upon the score card can redeem the gift is very appropriate for consumers.
In addition, although the procurement of crude oil is also in the petrochemical, oil, these two giants from these foreign stations, but its gasoline added in the production process of cleaning agents, so its effect is superior to Sinopec and PetroChina. In addition, there are some small, privately owned gas stations, private petrol  Lexia-3 USB Cable  stations offer really is not small, some discount to 50 cents / liter, its attractiveness for users self-evident, but these petrol stations The oil quality is uneven, so consumers when making a selection for such petrol stations need careful consideration, and to refrain from penny wise and pound foolish.

 On fuel, but also that there are some details we need to pay attention to. One of the most important thing is to cheer us, tend to go for the convenience of Minato the refueling amount of the total number of, but you know, basically that can no longer injected fuel in the fuel tank when refueling guns automatically jump the gun, even if the refueling gun still able to work, but this time the fuel injection should be small with the actual amount of calculation, this would no doubt allow owners to white flowers some oil money.
In addition, some car owners habits vehicle fuel alarm and then go to the gas station, this practice allows the vehicle to run more than a period of time, but due to the vehicle's fuel pump with the fuel to cool, so very easily lead to overheating of the fuel pump damage appears advance replacement, while the cost of Cable for Renault Can Clip   doing so is that the owners will lose a lot of fuel in the replacement process, which also can value a lot of money.