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Please give all the details so we can increase our MPG also. I can get as much as 469 miles on a tank with our Toyota Yaris gas automatic: When I see the traffic light turn red in the distance, I shut the engine off and coast to a stop (but I must keep the ignition "ON" so the electronic odometer continues registering the miles). And I never run the AC. I keep the tires one or two psi higher than the specified 32 psi.