Do all states have the same octane rating for gasoline?

do all states have the same octane rating for gasoline

Are octane ratings different in the US?

In essence American 90-octane fuel would be the same as European 95 octane fuel. Thus, regardless of where you live or the octane number on the pump, most unleaded fuel worldwide are the same. In Europe the number maybe 95, but it is no different than 90 octane fuel in America.

Is 87 octane the same everywhere?

All Gas Is the Same (Up to a Point)

Oil tankers carry this gas to different companies, so the gasoline part of gas is the same. However, each company is required by law to put additives in the fuel. The composition, quantity, and quality of the additives is proprietary.

Why is there no 93 octane in California?

First, there’s the environmental angle. California Gov. Gray Davis banned the use of gas additive methyl tertiary butyl ether in the state by 2003. MTBE is a carcinogen that can leak into and contaminate ground-water, but it’s also the primary oxygenate additive that California refiners use in reformulated gasoline.

Why is regular gas 85 octane in Colorado?

Octane Ratings At Altitude

Because the air is less dense, less air flows to your car’s engine. This translates to a slightly richer air-fuel ratio, and deters engine knock. For that reason, you’ll find that regular gas carries an 85 octane rating here in Denver and throughout Colorado, Wyoming, Utah and Montana.

Why is regular gas 85 octane in Colorado?

Octane Ratings At Altitude

Because the air is less dense, less air flows to your car’s engine. This translates to a slightly richer air-fuel ratio, and deters engine knock. For that reason, you’ll find that regular gas carries an 85 octane rating here in Denver and throughout Colorado, Wyoming, Utah and Montana.

Why does America have such low octane fuel?

The difference you’re seeing is actually due to different measurement methods used between the US/Canada and other countries. US & Canada uses AKI ratings which is roughly 5 points lower than the equivalent RON rating used by other countries. 87/89/93 gasoline in the US are the same as 91/94/98 elsewhere.

What octane is American fuel?

In the U.S., unleaded gasoline typically has octane ratings of 87 (regular), 88–90 (midgrade), and 91–94 (premium). Gasoline with an octane rating of 85 is available in some high-elevation areas of the U.S. (more about that below).

Is 91 and 93 gas the same?

Premium gasoline is generally considered any type of gasoline with an octane level of 91 or greater, with 91 octane and 93 octane being the most common versions of premium gasoline available at gas stations in the United States (93 octane gasoline may be called “ultra” or “super-premium” in some cases).

What states have 93 octane gas?

State Octane Ratings

StateRegular UnleadedPremium Unleaded
Louisiana 87 93
Maine 87 91 without ethanol 93 with ethanol
Maryland 87 93
Massachusetts 87 93

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Is Marathon gas any good?

Marathon gasoline is certified TOP TIER™, providing a higher level of STP® detergent additive for an even greater cleaning power. Marathon gasoline fights the accumulation of harmful deposits and improves the performance of your vehicle’s engine.

Why do some states only have 91 octane?

Basic answer is because we drive too many BMW’s and high compression or turbo engines that require high octane fuel compared to most states where the average car is an Impala.

Does Arizona have 93 octane gas?

You won’t find 93 because your gas mostly comes from California. But there’s race gas available. VP has a station with pumps. No messing with cans or drums.

Which gas station has the highest octane?

What is Sunoco Ultra 94? Ultra 94 is the highest octane fuel available at the pump at Sunoco. With 94 octane, it delivers the highest octane rating of any retail fuel on the mass market in the U.S., combined with Top Tier detergency to help make your engine run cleaner, longer, and more efficiently.

Why does Utah have 85 octane gas?

He explained the air is less dense at Utah elevations than at lower altitudes, which means the engine draws in less air during combustion. Up here, 85-octane is just fine for most cars.

Is E85 the same as e87?

The main difference between E85 and 87 gas lies in their composition, whereby E85 has more ethanol than regular gasoline. Regular unleaded gas is blended with only 10% ethanol which gives it the standard 87 octanes.

What is Ron fuel rating?

RON is the octane measure used globally and it’s more efficient to produce and certify. 95 RON is roughly equivalent to 91-octane on the anti-knock index currently used in the United States. But unlike 91 premium fuel, 95 RON wouldn’t be a niche product reserved just for luxury cars.

Is 86 gas the same as 87?

Low-octane fuel — rated 85 or 86 as opposed to the 87 for regular gasoline — is common in the Rocky Mountain states, said General Motors fuel specialist Bill Studzinski. The practice goes back to the days of carbureted engines, when lower octane helped vehicles run smoothly at altitude.

What was the octane of gas in 1970?

Supporting Information

YearAverage Compression Ratio for New Light VehiclesAverage Octane Rating (AKI)
1967 9.26 89.77
1968 9.43 89.84
1969 9.48 90.02
1970 9.52 90.05

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What octane is RON 91?

87 AKI = 91 RON. 91 AKI = 93 RON. 93 AKI = 98 RON. 100 AKI = 104 RON.

What octane is Costco gas?

Regular unleaded (87 octane), Premium unleaded (91 octane), and Diesel (at select locations only). Where does Costco get its gasoline? Costco buys fuel from major refineries and distributors in each area. All Kirkland Signature™ Gasoline is fully guaranteed, just like the merchandise inside the warehouse.

What is the correct octane rating for gas?

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.

Which states have 85 vs 87 octane gasoline*?

Which states have 85 vs. 87 Octane Gasoline* State Lowest Octane Grade Available Alabama 87 Alaska 87 Arizona 87 Arkansas 86 46 more rows …

Why do Americans use different octane numbers for gasoline?

What changes is how Americans describe their fuels in terms of quality – octane number. They use a different system so their numbers do not translate well into the octane numbers that the rest of the world uses. How is fuel quality measured and rated Gasoline quality is measured experimentally but using different tests.

What are the different grades of gasoline?

The higher an octane number, the more stable the fuel. Retail gasoline stations in the United States sell three main grades of gasoline based on the octane level: Some companies have different names for these grades of gasoline, such as unleaded, super, or super premium, but they all refer to the octane rating.