Date: Mon, 28 Jul 2003 09:13:05 +0100 From: "Andy Hookins" <andrew.hookinsnopsamamnopsamodata.co.uk> Subject: Re: Gas economy
"Chris O'Malley" <comalley2nopsamrr.comnopsamrr.com> wrote in message news:VPHUa.53995$852.12482nopsamter.nyc.rr.com... > Why is there a difference between summer and winter? > I don't know exactly, but I can see it very clearly as i plot MPG through the year. The car is (almost) exclusively used for commuting to work (33 miles each way) and I drive as consistently as I can. Objectively, the engine will take longer to reach operating temperature in winter, Warmer air (at the same pressure) in summer is slightly less dense so slightly lower drag? Subjectively, the roads seem clearer in summer so less stop-start traffic (more people on holiday so not going to work, people can actually see where they are going better ;-) Whatever the reasons, I see about 20% variation in fuel consumption throughout the year. AndyH (in my other car) > "Bowser" <fruitcakenopsamail.com> wrote in message > news:ltGUa.52348$Ii1.23907nopsam02.bloor.is.net.cable.rogers.com... > > Us is drivin a 92 9000 5 spd <abcnopsamcom> wrote in message > > news:3f22f485$0$73623$a0465688nopsam.fuse.net... > > > I have a 2000 9-5 wagon and the displayed MPG is always within +- 1 MPG > of > > > the calulated value. > > > > > > Barry > > > "Malcolm William Mason" <arpicnopsammail.com> wrote in message > > > news:z6ZTa.15$GB5.156082nopsam.abs.net... > > > > Just as an aside. > > > > > > > > I recently made a round trip, virtually all highway at continuous 65 > to > > 75 > > > > mph, of abot 1300 miles. > > > > > > > > According to my EDU on return the average milage was 32.3. > > > > > > > > The car: '92 900S. The milage 165000 plus > > > > > > > > I am very pleased. > > > > > > > > Any comment? > > > > > > > > Malcolm > > > > > > > > > > > > > > > > Just as an aside. > > > > > > > > I recently made a round trip, virtually all highway at continuous 65 > to > > 75 > > > > mph, of abot 1300 miles. > > > > > > > > According to my EDU on return the average milage was 32.3. > > > > > > > > The car: '92 900S. The milage 165000 plus > > > > > > > > I am very pleased. > > > > > > > > Any comment? > > > > > > > > Malcolm > > > > > > > > > > > > > > > > > > > > > > > >
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