GAS4US - Fuel with discount! With the app you get DISCOUNT and still earn points! You can supply at any service station network. Learn how easy it is: 1) Buy in-app credits. 2) Find a convenient network post and fill normally. 3) At the time of paying, inform the cashier that will make the payment via GAS4US application. Generate the token and show it to the cashier. 4) Ready, you just save and earn points!