I've been ocasionally adding my calculated brim to brim mpg figures to the real life fuel economy register for my car, a 1.3 IMA Honda Insight ES. I noticed that my worst 3 figures were below the 'Real Range' for the car and it hasn't updated. The worst figure was 38.7mpg (short journeys, cold weather, hilly area).
Is something causing it not to update?
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