function CheckGas()
{
    new engine, lights, alarm, doors, bonnet, boot, objective;

    foreach(new i : Player)
    {
        if(GetPlayerState(i) == PLAYER_STATE_DRIVER)
        {
            new vehicle = GetPlayerVehicleID(i), query[128];

            if(Gas[vehicle] >= 1)
            {
                if(vehEngine[vehicle] == 1)
                {
                    if(IsAPlane(vehicle) || IsABoat(vehicle) || IsABike2(vehicle) || ExamCar[i] == vehicle || JobVehicle[i] == vehicle) { Gas[vehicle]++; }

                    if(!IsPlayerPaused(i)) Gas[vehicle]--;

                    new carid = FindSpawnID(vehicle);

                    if(CarInfo[carid][cID] != -2 && carid != 0)
                    {
                        new spe = Carspeed(i);

                        if(spe > 5 && GetPlayerState(i) == PLAYER_STATE_DRIVER && GetPlayerVehicleID(i) == vehicle && !IsPlayerPaused(i))
                        {
                            CarInfo[carid][KM] += (spe * 0.27) / 100;

                            mysql_format(SQL, query, sizeof query, "UPDATE `cars` SET `KM` = '%f' WHERE `ID` = '%d'", CarInfo[carid][KM], carid);
                            mysql_tquery(SQL, query, "", "");
                        }
                    }
                }
            }