| Acronym | System | Description |
|---|---|---|
| OBC, obc | On-board Computer | System for collecting and transmitting measurements from various sensors. |
| GPS, gps | Global Positioning System | Measurement system for vehicle speed and position. |
| JM, jm | Joule Meter | Sensor for measuring voltage and current from electrical energy sources. Primary sensor for Battery Electric vehicles. |
| LFM, lfm | Liquid Flowmeter | Sensor for measuring flow rate and temperature of liquid fuels, such as gasoline, ethanol, diesel, and GTL. |
| GFM, gfm | Gas Flowmeter | Sensor for measuring flow rate of gaseous fuels. |