RE:Don't know if it's true... ButThe device is universal and works on any vehicle that uses petrol or diesel. The device does not work on electric cars.
Any fuel car with an OBDII port can use the device to help save on fuel costs. It means that typically all vehicles manufactured from the year 1996 can use the device.
https://www.globenewswire.com/news-release/2021/04/23/2215687/0/en/Effuel-Reviews-Does-It-Work-What-They-Won-t-Tell-You.html