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Any thoughts on whether fuel consumption is adversely affected by use of cruise control?<P>When I had S60 for a test drive the mpg readout seemed to drop when using cruise control.
 

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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by MJT:<BR><B>Any thoughts on whether fuel consumption is adversely affected by use of cruise control?<P>When I had S60 for a test drive the mpg readout seemed to drop when using cruise control.</B><HR></BLOCKQUOTE><P>I would think so...Gas mileage is adversely affected when the gas pedal is modulated and that is what cruise controls does (all the time) in order to keep a steady speed.<P>Yannis<P><P>
 

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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by MJT:<BR><B>Any thoughts on whether fuel consumption is adversely affected by use of cruise control?.</B><HR></BLOCKQUOTE><P>I don't think that there is really a clear cut answer to this, because it depends on a variety of conditions, most of all terrain. Driving with the cruise control, on the flat plains of Texas and driving with it on in West Virginia, would have completely opposite results for example IMHO.<P>Supposedly, gas mileage decreases rapidly at speeds above 60 mph. Each 5 mph you drive over 60 mph is like paying an additional $0.15 per gallon for gas<P>Also stuff like using the A/C, state of engine tune, timing, tire inflation levels, vehicle gross weight, oil type, and accessory use all play a role in MPG.<P>-Drew
 
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