Effuel is an intelligent device with its own optimized software ins...The software helps Effuel with communicating with your car and collect all the important data that it needs to start making a difference. However, the story doesn't just stop at data collection as the Effuel Eco OBD 2 chip is also capable of analyzing this data and then coming up with different solutions that would reduce your fuel consumption. Not only that, but it also continues to collect additional data to make fine adjustments and tweaks to your car, achieving the utmost efficiency out of it. Effuel has been engineered and designed to be as easy to understand and use as possible.