So um...what is up with these Gas Prices?!

I agree as a consumers we can only buy and uses whats readily avaliable to us. As a consumer I need a steady supply of something to reliable get to work/store etc.. Very true what shawn said about the shale oils. Its just now profitable to extract it. We NEED to seek other options..

To hell with 3 octane grades at the pumps. Drain the mid range and super crap and install an inline injection system for the adatives IF you want to pay extra... There's your distribution system already sitting there...

E85 sounds cool but i noticed all the avaliable vehicles on GMs site were Med/Large vehicles. Maybe I missed the small cars.. ??
 
Ford used to place a "greensafe" emblem (sort of a tree branch with green leaves) on all its vehicles that can handle multiple blends of fuels, but I don't see it on the newer units that I know are blended fuel capable.

Back in the 60s, Sunoco stations had a blending valve on each gas pump that proportionally blended the high octane with regular according to which position of the valve you chose. The thing that killed the idea was that there were 6 choices (too many) and the consumers never got on board with the idea of that many selections. Maybe if they had stuck to 3, the system would still be around, and what a perfect solution that blending valve would be for your idea.
 
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Where I grew up ( in the Midwest, aka Corn Country ) gasoline was blended with 10% ethanol, was ( and still is in many places ) available in every gas station, at that it was also the cheaper of the three choices, sometimes the midgrade was the blended fuel.

In all honesty, I never knew the differance in the fuel till I moved to NC and I had to re-tune my truck to run on straight gas (seemed to gain a little power too )

The newer GM vehicles ( Tahoe, Suburban, yadda yadda) with the "Z" engines (5.3L) are the ones desigend to run on up to 85% ethanol.

The owners manual plaily states that using this fuel will reduce mileage and performance do the lack of ethanol having the same BTU potental as gasoline.

There is a special sensor on these vehicles that measures the alcohol/fuel composition as the fuel is used and the ECM adjusts timing and A/F ratio accordingly. ( for the curious, this "fuel composition sensor" is mounted on the frame X-member just forward of the fuel filter )

Kevin
 
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