ISAAC's fleet management system allows to monitor speed, idling time, fuel consumption, work schedule, vehicle position and more. ISAAC's solution is a stand-alone unit installed in every vehicle. It records 1.The work schedule, 2.The GPS coordinates, 3.The engine parameters, 4.The driver inputs. The return on investment is accelerated by the fact that the operation of the system requires NO subscription, NO monthly fee, NO website access, NO data transfer fee. The operator owns the equipment and he is fully independent for an unlimited period. The results are: Reduced idle-time and wear, control over speed, improved fuel efficiency, enhanced work cycles, better choice of truck brands and models, precise knowledge of the cost of each delivery, enhanced pay system for drivers, detailed accident/incident reconstitution.