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    Kala commented  · 

    With bigger vehicles it is often true that lots of stopping and starting causes poor fuel consumption. The shortest route might therefore be more costly to take than a longer route, should the shorter one have a lot of stops and starts in it.

    Sometimes a 5 minute longer trip but with a saving on fuel cost makes lots of sense, especially if you start to multiply the daily cost saving by 20 or so working days.

    If a user of Waze has for example three fields to completed – ave open road fuel consumption, ave open and city road consumption, as well as ave city only consumption – then you can create algorithms to predict which route will be the more fuel efficient.

    The user can then decide if a shorter route with a higher fuel cost is better on the day or a longer one with a cost saving would be preferred.

    So similar to “alternative routes” you can add “most fuel efficient route according to your vehicle’s ave”. Obviously there are too many vehicles and different driving styles to expect of Waze to prepopulate on published manufactures figures. So each users must just add his own vehicles 3 sets of figures once (or once for every vehicle he drives with). After that Waze applies the algorithm in line with the users own entries.

    So the algorithm for the three ave would take into account
    1 - minimal stop and go
    2 – a few stop and go
    3 – a lot of stop and go

    Kala supported this idea  · 

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