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Originally Posted by MetroMPG
Friend of mine sent me these pics & comment about his Garmin Nuvi GPS.
I believe he's installed the feature called "ecoRoute":
Sounds to me like it uses either an accelerometer or calculates rate of acceleration to provide instant feedback for the driving challenge.
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It is.
Being a GPS it most likely calculates acceleration - it wouldn't need an acceleration sensor for that.
It's use as an eco-tool is dubious.
You get
bad points for driving slower than the limit.
That's right, BAD points for driving slower.
Quote:
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Fuel consumption is probably calculated based on vehicle speed and the most appropriate EPA estimate is applied.
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You have to enter your average fuel use (city and motorway) and it calculates based on these values.
I have EcoRoute in my 765, tried it a while, but it's rather pointless.