Biofuels are liquid fuels made from organic material, such as plants and animal material, or other waste products.
Diesel is fuel made for use in diesel engines.
E10 is unleaded petrol blended with between 9% and 10% ethanol.
E5 is a blend of 5% ethanol and 95% petrol.
E85 is a blend of 70 - 85% ethanol and 15 - 30% unleaded petrol, with an octane rating of 105. E85 can only be used in cars that have been specifically built or modified to use it, including flexible-fuel vehicles and V8 racing supercars.
Ethanol is a biofuel made from fermenting plants such as wheat and sugar cane.
Octane measures petrol’s resistance to igniting prematurely in the engine’s combustion chamber, when the car is accelerating.
Premium 95 is a premium unleaded petrol with an octane rating of 95. It is commonly labelled as PULP, Premium or simply 95.
Premium 98 is an ultra premium unleaded petrol with an octane rating of 98. It is commonly labelled as PULP, Premium or simply 98.
Regular unleaded petrol is standard unleaded petrol with an octane rating of 91. It is commonly labelled as RULP or ULP or simply 91.
The Research Octane Number is the octane rating of the fuel.