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Old 02-22-2007, 09:12 PM   #1 (permalink)
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Winter Fuel vs Summer Fuel? Need a little help here...

A few questions:

1) What is the difference?
2) Which would yield better fuel economy?
3) Is there a way to identify it when pumping? Color maybe?

Thanks.

-Rob
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Old 02-22-2007, 09:26 PM   #2 (permalink)
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Re: Winter Fuel vs Summer Fuel? Need a little help here...

Hello,

1. Winter fuel is cut with kerosene to give it a lower gel point.

2. Summer fuel - No.2 diesel will yeild better economy

3. None that I know of, no color differences
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Old 02-22-2007, 09:33 PM   #3 (permalink)
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Re: Winter Fuel vs Summer Fuel? Need a little help here...

[ QUOTE ]
Hello,

1. Winter fuel is cut with kerosene to give it a lower gel point.

2. Summer fuel - No.2 diesel will yeild better economy

3. None that I know of, no color differences

[/ QUOTE ]


Thank you.
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Old 02-22-2007, 10:43 PM   #4 (permalink)
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Re: Winter Fuel vs Summer Fuel? Need a little help here...

However, as I understand, the ULSD we're getting now does not get blended with #1 hence, no more winter blend as we knew it. That would defeat the point of ULSD. Supposedly it gets an additive to keep it from gelling, but from what happened all over New York State with school buses shutting down, schools closed, municipal vehicles parked etc. etc. from fuel gelling, appearently the additive didn't do the job it's supposed too, at least in severe low temps.
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Old 02-23-2007, 09:25 AM   #5 (permalink)
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Re: Winter Fuel vs Summer Fuel? Need a little help here...

[ QUOTE ]
Supposedly it gets an additive to keep it from gelling, but from what happened all over New York State with school buses shutting down, schools closed, municipal vehicles parked etc. etc. from fuel gelling, appearently the additive didn't do the job it's supposed too, at least in severe low temps.

[/ QUOTE ]I believe that may of been a local problem. All that I have been getting for diesel the last 6 months is ulsd and I have not had any problems here in Colorado. Even with a few weeks of below zero tempatures, also I have not heard of any real problems with the new fuel around here.

Jim
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Old 02-23-2007, 11:03 AM   #6 (permalink)
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Re: Winter Fuel vs Summer Fuel? Need a little help here...

[ QUOTE ]
ULSD we're getting now does not get blended with #1 hence, no more winter blend as we knew it. That would defeat the point of ULSD ...

[/ QUOTE ]
Um, how, exactly, would blending #2 ULSD with #1 ULSD for the winter defeat the point of ULSD? If each component contains less than 50 parts per million sulfur, any blend of the two also will.

You can differentiate #1 Diesel fuel from #2 Diesel fuel by weight. A gallon of #2 weighs more. That's why the mileage and power are down; there are fewer hydrogen and carbon atoms to burn in a gallon of #1. The gas mileage per kilogram is pretty close to the same.
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