More octane choices. Why?

[Chris142]

New gas station opened up near my work. Stopped there this morning. All our gas is usually 87,89 or 91 with 10% ethanol per law.

This place has 87,89,90 and 91. Their prices are a few cents less than anyone else. Wonder what the reasoning for 90 octane is?

 

[JavierH19]

Yeah that's odd.

 

[Tdbo]

I can't speak for your situation there.
However, around here 90 is Recreational Fuel (Alcohol free.)

 

[dubber09]

Weird, what next? 87.5-88.5-89.5...?

 

[CarlB]

Offer something for every price point.

 

[eljefino]

I can't speak for your situation there.
However, around here 90 is Recreational Fuel (Alcohol free.)

Yeah it's the base fuel for what would have been 93 with the alcohol.

This just looks like a blender pump. Sunoco used to be big for these.

 

[Duukt]

Sounds like the 90 octane fuel would be the best gas to buy then!

 

[rijndael]

However, around here 90 is Recreational Fuel (Alcohol free.)

Ethanol Free is usually a blue handle, at least at my station.

 

[melk]

How much difference can there really be when it’s only a point difference? I guess I need to read up on Octane some more.

Here (NC/SC/GA) we generally have 87, 89, 93. I figure a six point jump up from baseline 87 regular to 93 premium is worthwhile (generally +0.50 cents/gal) so I run it in the Cadillac Northstar V8 but the rest of the fleet lives on 87.

 

[addyguy]

Every time I read about ethanol-free gas; it is 90 octane. That is probably what this is, I’d ask about it.

 

[rijndael]

https://www.pure-gas.org/

Around me, it's available in a variety of octanes.

 

[Nessism1]

Is that fuel Top Tier?

 

[Chris142]

Every time I read about ethanol-free gas; it is 90 octane. That is probably what this is, I’d ask about it.

Not in California. All road fuel must be e10

 

[kschachn]

The presence or absence of E0 is related to location of the OP, just as it is here in the five-county EPA nonattainment area in Southeastern Wisconsin. It is unrelated to the octane rating.

 

[kschachn]

Is that at a Sunoco station?

 

[JohnnyJohnson]

Since I got the Mazda I've been getting my gas at Cenex 92 octane ethanol-free.

 

[Chris142]

Ethanol Free is usually a blue handle, at least at my station.

Only 2 handles. One for gas and the other is diesel. Last I heard All California fuel is e10. There wasn't any signs on the pump that said anything about E0.

 

[Chris142]

Is that at a Sunoco station?

Rebel

 

[rijndael]

Only 2 handles.

I've seen those too, still with a blue distinction. If it's a "clear gas" marketed version, it's teal'ish in color.

 

[The Critic]

CA fuel has to contain Ethanol. My guess is that's the 90 octane version must be E15.