Much better explanation. I completely agree with you about California being screwed. We're being screwed for many things including gas cost and smog visual inspection.

 

I am confused. Why have octane levels dropped if there has been an INCREASE in premium fuel required?

 

To make premium fuel, crude oil is essentially boled, under controlled environmental conditions, and the iso-thises and hepta-thats, that are less dense literally coagulate at different depths within the pressure vessel, where they are skimmed off.

The lighter hydrocarbon compounds are used in the manufacture of acetone-type industrial strippers and other chemicals, where they command a higher price per gallon than if they are used in boosting the octane level of the base gasoline stocks that build 87 RON.

Here's a hypothetical scenario that shows the economics of this issue, as discussed in the SCC article:

In order to make 200 million gallons of 93 RON, the refiner has to add about 500k gallons of these high-end stocks to raise the octane level of 87 RON regular fuel.
Those 500,000 gallons of high-end stocks are used at a "loss", because they would command a much higher price if they were sold off to other uses.

When the demand for premium rose, and the demand for regular began to level off, more and more high-end stocks were needed to continue producing 93 RON premium. Thus the refineries would lose more potential sales dollars of these high-end light-hydrocarbon fuel stocks to their use in the production of premium gas.

So, in response to the increased demand for premium fuel, the refineries decided to skimp on the addition of high-end fuel addition, and instead decided to lower the overall octane rating to 91 RON.

Better?

please say yes. please say yes.. it's getting late.

 

Hey!
Weren't we talking about the future of the Celica at some point??? :chuckles: :lmao:

 

If Celica is true to get axed.... I am really upset to see its departure... I think Celica has every niche to give RSX-S a headache.... Not to mention its quality... Toyota has successfully transfomed Celica to a just for fun car. I don't like previous generation Celica because of lacks of power and the drivetrain and styling is bland to me. I believe Toyota still has the money to let Celica survive through another generation or two~~ @_@

 

There's no mention of the Celica appearing at Detroit or LA, so who knows. Maybe the Celica really is going away...

 

Why would they mention it anyway? It's a 4 year old model. Where are you getting this from?

 

I believe he is referring to the fact that if it were on a 4-year product cycle then it would be up for replacement.

 

Oh okay. Well I think we already know that it isn't going to be replaced this year.

 

I was referring to a replacement for MY05. And its a 5-yr old model right now as it has been around since model year 2000, so it should be up for replacement next year.