Patent ID: 8437903

Claim:
In a motor vehicle comprising a diagnostic system having an input and an output, and a plurality of vehicle sub-system sensors connected to the input of the diagnostic system, an apparatus for producing data on at least one of fuel consumption and vehicle emissions during operation of the vehicle, the apparatus comprising an emissions unit disposed on-board the vehicle and having an input connected to the output of the diagnostic system; a first processing circuit configured and arranged to access stored data including at least one of look-up tables and intuitive models for different types of vehicles, and including a communications interface configured and arranged to obtain vehicle identification data and measured sub-system data from the diagnostic system, and to load data specific to the identified vehicle data from the stored data; and a second processing circuit configured and arranged to, during operation of the vehicle and on-board the vehicle, calculate at least one of fuel consumption data and emissions data in real time using the stored data and the sub-system data obtained from the diagnostic system, and make the calculated data available in the motor vehicle in real time, wherein the first processing circuit is configured and arranged to access the stored data by using the vehicle identification data to identify stored data for one of the different types of vehicles that corresponds to the vehicle identification data, and the second processing circuit is configured and arranged to calculate the at least one of fuel consumption data and emissions data using the identified stored data for the one of the different types of vehicles.