What is the octane of 100% ethanol?
The octane rating of pure ethanol is 100. What’s interesting is that when ethanol is blended with gasoline, it performs as if its octane rating is 112, making ethanol a very effective octane booster when used in gasoline. High octane is one reason why NASCAR uses ethanol for their high-compression racing engines.
What octane is ethanol?
100
The octane rating of pure ethanol is 100, but when it’s blended with gasoline, it performs as if it’s 112. In other words, higher-octane blends — Petro Canada’s 94 and Esso’s 93 — use more ethanol, not less.
Does 90 octane have ethanol?
Ethanol-free 90-octane gasoline is sometimes marketed as “recreational fuel” or REC-90. Many consumers prefer to use this pure gasoline that isn’t blended with ethanol for marine equipment and small engines for lawnmowers, snowblowers, chainsaws, generators, pumps, and the like.
Does 94 octane have ethanol?
This is important, because using lower octane fuels may cause engines to knock and ping, which can lead to engine damage. Does Ultra 94 Premium Fuel contain ethanol? Yes. Like all Sunoco fuels, Ultra 94 contains up to 10% ethanol.
Does 92 octane have ethanol?
No. All gasoline brands have both pure and ethanol-containing gasoline under the same brand names. For example, Shell V-Power ranges from 91 to 93 octane both with and without added ethanol. It just varies from station to station, and it’s up to the station owner whether or not to sell pure gas.
What is the octane rating of E50?
If we use 118 as the ‘octane’ for E85, E50, when blended with E10/93 octane would give you an effective octane of 106 octane.
What is the highest octane fuel?
Retail gasoline stations in the United States sell three main grades of gasoline based on the octane level:
- Regular (the lowest octane fuel–generally 87)
- Midgrade (the middle range octane fuel–generally 89–90)
- Premium (the highest octane fuel–generally 91–94)
Is ethanol free the same as 93?
Functionally the two are the same, interchangeable and identical for all intents and purposes. 10% Ethanol in the fuel blend will lower overall fuel efficiency by approximately 2-5%, but any slight increase in potential energy brought to the table by the Ethanol is on the range of 1% more than un-blended fuel.
Is Costco 91 gas ethanol free?
According to online reports, Costco 91 unleaded gas does not have ethanol as it is a “Top Tier” gasoline. However, Costco’s Kirkland Signature brand gasoline does contain 10% ethanol in requirement with The Energy Independence. Additionally, when filling up at Costco Gas, all pumps will have the mix of fuel added.
Is Ultra 94 ethanol free?
Yes, all of our grades of gas, including our Ultra 94 high octane fuel , contain up to 10% ethanol content.