Thread: gas prices
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Unread 05-21-2020, 04:30 PM   #577
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

Join Date: Jul 2004
Location: Nashua, NH
Posts: 14,415
One of the hassles with diesel, is that it is essentially refined the same as fuel oil people use to heat their homes. A refinery setup for say gasoline wouldn't be the same as one for diesel, although they can coexist. So, in the winter, the supply can be stressed, and the price goes up. In the summer, it can be less expensive until fall when homeowners (and businesses that use it) start to fill their tanks back up again for the coming cold season. That's more of an issue in the more northern states, partly because of transportation...more of the refineries are towards the south of the country, but not all. Diesel has about 113% of the energy of the same volume of gasoline, which is one reason why it can get better mpg; another is that they are much more efficient while idling than a gasoline engine. Compression losses eat up some of that.
Jim DeBruycker
Not a pro, multiple Schluter Workshops (Schluterville and 2013 and 2014 at Schluter Headquarters), Mapei Training 2014, Laticrete Workshop 2014, Custom Building Products Workshop 2015, and Longtime Forum Participant.
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