Mine

public CheckGas()
 {
  new string[256];
  for(new i=0;i<MAX_PLAYERS;i++)
   {
      if(IsPlayerConnected(i) && GetPlayerState(i) == PLAYER_STATE_DRIVER)
       {
          if(Gas[GetPlayerVehicleID(i)] >= 1)
	   {
	      format(string, sizeof(string), "Gas Left %d",Gas[GetPlayerVehicleID(i)]);
	      SendClientMessage(i,COLOR_YELLOW,string);
              Gas[GetPlayerVehicleID(i)]--;
	   }
	   else
           {
              RemovePlayerFromVehicle(i);
	         GameTextForPlayer(i,"~w~No Gas In ~r~Vehicle",1000,1);
	   }
     }
   }
  return 1;
 }

public Fillup()
 {
  for(new i=0; i<MAX_PLAYERS; i++)
   {
    new VID;
    new FillUp;
    new string[256];
    VID = GetPlayerVehicleID(i);
    FillUp = GasMax - Gas[VID];
    if(GetPlayerMoney(i) >= FillUp+4)
    {
     if(Refueling[i] == 1) {
	 Gas[VID] +=FillUp;
     format(string,sizeof(string),"* Vehicle Re-Fueled, Gallons = %d *",FillUp);
     SendClientMessage(i,COLOR_YELLOW,string);
     format(string,sizeof(string),"~w~| Re-Fueled ~n~Gallons ~g~%d |",FillUp);
     GameTextForPlayer(i,string,10,1);
	 GivePlayerMoney(i,-FillUp-1);
	 Refueling[i] = 0;
	 }
   else
   {
     SendClientMessage(i,COLOR_YELLOW,"* Not Enough Money To Re-Fuel *");
   }
 }
}
}