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Octane is an attribute all unleaded fuels have, measured by a Research Octane Number (or RON). Lower-octane fuels can result in a spontaneous ignition of the fuel-air mix called ‘engine knock’.
In the United States and Canada, octane ratings are in AKI, commonly shown as " (R+M)/2". All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance.
Not only does Shell V-Power® NiTRO+ Premium Gasoline meet or exceed your engine’s minimum octane requirements, but it is also the only grade of Shell gasoline that removes up to 100% of performance robbing deposits to rejuvenate the engine’s performance along with provide protection against deposits, corrosion, wear and friction ...
Petrol or gasoline is assessed, categorised and sold by an octane rating. Generally, in most areas of the world, the Research Octane Number (RON) is used, but in North America, the Anti-Knock Index (AKI) is used.
An octane rating, or octane number, is a standard measure of a fuel 's ability to withstand compression in an internal combustion engine without causing engine knocking. The higher the octane number, the more compression the fuel can withstand before detonating.
Shell V-Power® NiTRO+ is a premium gasoline that removes up to 100% of performance-robbing deposits and protects against corrosion, wear and friction. It is the official fuel of Car and Driver and Road & Track magazines and has four levels of defense against gunk, wear, corrosion and friction.
Octane rating is the measure of a fuel's ability to resist "knocking" or "pinging" during combustion, caused by the air/fuel mixture detonating prematurely in the engine. In the U.S., unleaded gasoline typically has octane ratings of 87 (regular), 88–90 (midgrade), and 91–94 (premium).
