1 tank theft
Tank transport enterprise security measures only psychological comfort , almost no effect.
2 fuel tank monitoring ( oil floats )
There are security risks , no proof safety crude oil production. Because of device design flaws , can not achieve accurate monitoring.
3 quota management or contracting
Consumption of fixed data , typically rely on experience setting. In order to obtain a higher fixed fuel consumption, drivers tend to pellet press formed coalition of interests , using various means of collective transport enterprises to demand higher fuel consumption quota.