although much dearer i tried a couple of gallons of e5 in my car. it already had a bit less than half a tank in it. i got about 5 mpg more and response was better too. whether it was economic im not sure but it did prove that the e10 is piss
Current Car: Hyundai Kona Premium EV...2 way 40kg hoist
Last Car: Toyota C-HR Excel Hybrid...4 way 80kg hoist