An ID document includes a document core and a multi-layer laminate. The parameter preferably comprises at least one of primary fuel excess air ratio and ignition timing and preferably is controlled in addition to total fuel energy content control. The exemplary smartpad can include a screen, a touch sensitive display, a configurable area, a gesture capture region and a camera. The collector of the buffer amplifier transistor, or the source or drain of the FET in the buffer amplifier circuit is DC-grounded. The at least two chassis connectors are located on the back side of the bracket plate and are configured to be connected to a legacy chassis or and advanced chassis.