Most states do not mandate certain standard gasoline grade octane ratings. In the United States and Canada, octane ratings are in AKI, commonly shown as "(R+M)/2". All states require gas pump to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance. A minimum 87 octane fuel is recommend for most vehicles produced since 1984. Older cars with carburetors could operate with lower octane fuel at higher elevations. Regardless of legality fuel with an octane rating of less than 87 is generally not offered for sale in most states. However 85 and 86 octane gasoline can still commonly be found in several rocky mountain states.
Video U.S. State Fuel Octane Standards
State Octane Ratings
The octane ratings below are the lowest allowed by law and may or may not reflect the actual levels offered for sale at most gas stations. Ethanol's effect on octane is not considered--these are ratings that are seen at the pump.
Maps U.S. State Fuel Octane Standards
References
Source of article : Wikipedia
0 Comments