I've been reading about the new E10 petrol that will be at petrol stations across the UK starting today https://www.gov.uk/government/news/fuelling-a-greener-future-e10-petrol-available-at-pumps-from-today. I'm happy to note that Toyota says nearly all of its cars including hybrids can run fine on this fuel, per the government website - https://check-vehicle-compatibility-e10-petrol.service.gov.uk/manufacturer/Toyota I bought a Corolla 1.8 Excel HB in mid 2020. I fill up the tank about once