XPost: misc.phone.mobile.iphone, comp.mobile.android   
   From: nospam@nospam.invalid   
      
   In article , Les Cargill   
    wrote:   
      
   >   
   > Pure anecdote here:   
   >   
   > If you run a tank of 91 thru a vehicle say, once a year, my   
   > experience is that after a couple tanks of 87 after,   
   > you'll get slightly improved mileage.   
   >   
   > The ECM gets "bored".   
      
   nonsense.   
      
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