How many of my trucks have to be datalogged to find out if they can use a DPF / Level 3 device?
The regulation requires the use of BACT. You need to contact the Level 3 device manufacturers (see Currently Verified Technologies) to see if these technologies are appropriate for these vehicles. The number of vehicles needing to be datalogged will depend on your individual fleet composition and use, and must be a representative sample of your fleet. The engine specifications (make, model, size, age etc.), vehicle type, and duty cycle are all important factors when determining which, and how many, vehicles must be datalogged. The more similar the engine, vehicle, and duty cycle of each vehicle in the fleet, the better the chance that you will only need to datalog a few representative vehicles. However, the device manufacturers may have their own guidelines and / or requirements for choosing an appropriate datalogging strategy. You will need to consult with the manufacturers in order to determine their recommended guidelines. If datalogging shows that your fleet, or vehicles in the fle
