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03-17-2010, 07:22 PM
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#1 |
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My Little Blue Egg :)
Drives: '09 3 door Yaris Join Date: Dec 2008
Location: Voorhees, NJ
Posts: 185
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When does the Northeast switch over to summer gas?
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03-18-2010, 08:12 PM
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#2 | |
 Drives: '09 Yaris Sedan Join Date: Oct 2009
Location: Western N.Y.
Posts: 75
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Quote:
We don't have summer and winter blends any more. All the gas is cut with ethanol all year round. The alcohol just cuts your milage and raises the oil company profits. The environmental benefit just doesn't make this a good proposition. Flex fuel vehicles are as big a joke as HEVs. doc |
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03-19-2010, 12:44 AM
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#3 | |
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Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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Quote:
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03-19-2010, 01:08 AM
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#4 |
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Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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Summer and winter blends aren't about ethanol vs. no ethanol. It's the boiling range of the gasoline part. In the winter they use a lot more butanes and pentanes, which give more vapor pressure for easy cold starting. In the summer the butanes and pentanes are way down, and there are more of the heavier, high boiling hydrocarbons to reduce vapor locking and evaporative emissions.
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