Fuel efficiency

qudsiarashid.24031 (PWUser161849721392) 2023-06-12 18:44:36 +0500 #1

I am here to know which fuel has better efficiency; Vpower of Shell or Octane 5 of PSO. which fuel out of these two has a better efficiency?
Regards,

pwuser165176643628 (Ali kiyani) 2023-06-12 23:29:24 +0500 #2