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| Fuel Gasoline, Diesel, and Renewable fuel(s) |
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When did winter gas come out?
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10-24-2008, 02:52 PM
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Junior Member
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Join Date: Jun 2008
Vehicles: 1996 Saturn SC2, 2000 Dodge Caravan 3.3L Flex
Location: Holland, MI
Posts: 29
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When did winter gas come out?
I am seeing a 3-4mpg drop in fuel economy recently. It started around mid/late september. I can't seem to get back to 30 mpg no matter how hard I try. The car is running perfect, so I am not sure what is going on. Could it be that the winter gas has come out now at the gas stations?
I believe all the gas stations around my house are using E10, so I don't think it is that. I did fill up at a Speedway when I first noticed the problem, but I have since then filled up at my normal Miejer gas station and noticed the same drop in FE.
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10-24-2008, 04:36 PM
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Member
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Join Date: Jul 2008
Vehicles: 2008 Ford Escape Hybrid
Location: California
Posts: 34
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Re: When did winter gas come out?
I found the same thing. and I live in a much warmer state.
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hybrid_tkm 
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10-24-2008, 10:50 PM
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Veteran
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Join Date: Sep 2008
Vehicles: 2012 Chevrolet Volt
Location: Columbia, SC
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Re: When did winter gas come out?
How have temperatures been in your areas? Colder weather usually brings lower FE.
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10-24-2008, 11:17 PM
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Veteran
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Join Date: Aug 2007
Vehicles: 1994 V8 Dodge Dakota
Location: Illinois
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Re: When did winter gas come out?
Quote:
Originally Posted by Kacey Green
How have temperatures been in your areas? Colder weather usually brings lower FE.
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and softer tires. You should recheck your PSI.
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10-25-2008, 01:29 AM
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Mild hypermiler
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Join Date: Jul 2008
Vehicles: '97 Legacy GT, '10 Prius
Location: Western Washington
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Re: When did winter gas come out?
Quote:
Originally Posted by tommyt31
...Could it be that the winter gas has come out now at the gas stations? ...
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The fuel blends change in multiple steps between summer and winter. But my oil industry relative hasn't worked in the blending unit for a long time, so I can't give you any dates. The EPA website should have it -- somewhere, if anyone has any clue where to look. |
10-25-2008, 08:12 AM
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PZEV, there's nothing like it :)
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Join Date: Feb 2006
Vehicles: Accord, Ranger, and anything else ;)
Location: Northern Illinois
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Re: When did winter gas come out?
Hi Tommyt31:
___This question gets asked every fall and spring and I should have it bookmarked  IIRC, the mandated Winter/Summer RFG switchover dates are Oct. 15 and May 1 with the blending beginning about a month before so the refiners tanks and than the gas stations tanks can meet the deadline with a given percentage.
___That being said, 3 to 4 mpg has everything to do with temperature acting on your vehicle AND fuel. Increased RRc’s, aero and mechanical drag, longer period for warm up and less energy carrying fuel are all contributors
___Good Luck
___Wayne
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10-27-2008, 01:56 AM
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Member
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Join Date: Jan 2008
Vehicles: 2000 Echo 5 speed
Location: Northern Kentucky
Posts: 3,096
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Re: When did winter gas come out?
Quote:
Originally Posted by xcel
the mandated Winter/Summer RFG switchover dates are Oct. 15 and May 1 with the blending beginning about a month before so the refiners tanks and than the gas stations tanks can meet the deadline with a given percentage.
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Why don't you add it to Beating the EPA. That way everyone reads it.  |
12-05-2008, 11:02 PM
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Senior Member
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Join Date: Sep 2008
Vehicles: '03 HCH manual, 98 Honda Civic EX auto
Location: Elmore, OH
Posts: 490
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Re: When did winter gas come out?
AAAAAAHH!!! It all makes sense. May 2nd: 35MPG, May 11th: 38. October 9th: 38 MPG, October 27th: 36.
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12-09-2008, 09:14 PM
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Veteran
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Join Date: Oct 2006
Vehicles: 2010 VW Golf TDI
Location: Winnipeg, Manitoba
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Re: When did winter gas come out?
I read an article today about winter fuel in Canada. Winter gasoline blends start in mid September, and the "full" winter gasoline must be available by November 1. Reduced winter blends start coming back between March and April, and full summer gasoline starts arriving around mid May.
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Regards,
Mike S.
 
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12-09-2008, 11:39 PM
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Senior Member
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Join Date: Jun 2007
Vehicles: 93 Saturn 5 spd, '11 Prius, bike, tandem, triplet
Location: N. CO
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Re: When did winter gas come out?
My car missed the summer gas! March 28 tank lasted until Dec. 6 (why did I take off the snow tires?). I think one of the biggest problems with winter hypermiling is short daylight hours and the extra battery drain when FASing with headlights on. BTW, my car's ICE runs fine despite sitting unused most of the summer, but next summer I will be hooking up a battery charger regularly. I had to tell my wife not to turn my car off at stoplights when she borrowed it on a snow day last week, because the battery was having troubles.
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