This is an old video but interesting all the same. Testing done at R-tech. Make your own mind up
It takes time to work into the system, I run Vpower in my S3 and always used vpower diesel in my tuned octavia vrs and believe me, economy does differ between the two.I used shell ultimate diesel and did not notice anything, no increased economy or speed. As above I think it's just a cleaner fuel for the fuel system
It takes time to work into the system, I run Vpower in my S3 and always used vpower diesel in my tuned octavia vrs and believe me, economy does differ between the two.