Petrol

The most common fuel type, now categorized mainly by its ethanol content.E10 (Standard): The standard grade of unleaded petrol at almost all UK forecourts. It contains up to 10% renewable ethanol to help reduce $CO_2$ emissions.+1E5 (Super Unleaded): High-octane fuel (97+ RON) containing up to 5% ethanol. It is used for high-performance engines and older cars (pre-2011) that might not be compatible with E10.+2Premium/Super Brands: Specialized blends like Shell V-Power or Tesco Momentum 99 designed for engine cleaning and higher performance.