Normal Fuel vs Premium Fuel: Which is the Right Fuel?
Fuel ratings explained: 91, 95, 98 RON and E10 | CarExpert
South Africans Face Fuel Price Surge as Levy Concession Ends - BNN Bloomberg
Is Premium Gas Worth It? We Test High Octane on 4 Popular Vehicles
AMF
Differences between diesel and petrol explained - ACEA - European Automobile Manufacturers' Association
Gasoline explained - octane in depth - U.S. Energy Information Administration (EIA)
95 RON Gasoline and the Political CAFE Ping-Pong Game - Stillwater Associates
CPC pushes back against media claims that it will no longer sell 92-octane fuel - Taipei Times
An attendant waits for cars at a gas station in downtown Beijing, April 27, 2006. China's high consumption of energy has raised widespread concern. According to a national guideline released in 2004
Fact Sheet | A Brief History of Octane in Gasoline: From Lead to Ethanol | White Papers | EESI