9 devices to control vehicle motion comprising measuring devices; namely, tachometers, fuel flow meters, and electronic change of state circuits, visual displays, data input devices; namely, keyboards, keypads, switches and variable electrical signal generators and modifiers, computer devices; namely, computer chips and ancillary electrical circuits, radio communication circuits, electronic memory circuits, electronic memory devices; namely, floppy disks, electronic memory chips and associated circuits, control circuits; namely, electronic components, software to control said circuits, chips and measuring devices alone and in combination with said elements to control vehicle motion