Isn't this what Waze does for free or could this be a threat

[airport757]

A new navigation program that will charge for the shortest, "greenest" route. Thought Waze already did this for free?

http://goo.gl/mag/7GsRo

[airport757]

Here is another link because I think that people might think that last link is spam or something (it is actually from google currents).

http://www.good.is/post/an-app-that-see ... ffic-jams/

[AlanOfTheBerg]

Yes, but what is missing is the massive database of POI. Although, you can still find most POI, not all and data usage is an issue for some.

Please stick to the discussion and not post something totally unrelated to the thread.

[bgodette]

Then you have situations where you could go a bit out of your way to avoid climbing a big hill.

For round trips using the same path to and from, elevation changes effectively don't exist. For the most part the extra energy used to go up is stored as potential energy and released on the way down.

[bgodette]

Then you have situations where you could go a bit out of your way to avoid climbing a big hill.

For round trips using the same path to and from, elevation changes effectively don't exist. For the most part the extra energy used to go up is stored as potential energy and released on the way down.

In a perfect system maybe but braking could ruin that.

Braking doesn't matter. If the hill didn't exist you'd expend only the energy needed to accelerate, the extra needed to climb is being converted to potential energy which is recovered on the way back down. Of course this is ignoring any changes in mass, and weather, which of course there will be.

[bgodette]

In a perfect system maybe but braking could ruin that.

Braking doesn't matter. If the hill didn't exist you'd expend only the energy needed to accelerate, the extra needed to climb is being converted to potential energy which is recovered on the way back down. Of course this is ignoring any changes in mass, and weather, which of course there will be.

You're assuming a frictionless system. Which real life most definitely is not.

The friction exists independent of the elevation changes.

[bgodette]

Braking matters a great deal. If you use fuel to drive up a hill, coast down the other side, then brake from 60mph because your destination is at the bottom of the hill, more energy is converted to heat than if you drove around the hill and arrived at (say) 20mph, which means more fuel will have been consumed.

For a one way trip, yes. Remember I said for round trips using the same route to and from.

It can only be making generalizations; e.g., give preference to straight & level roads that average 40-60mph, and apply a penalty for faster & slower roads, hills etc.. If it isn't at least doing that, the "green" claim is pure marketing.

It'd also have to know if you've got any sort of kinetic energy recovery, eg a Hybrid.

[daknife]

Not that much of a threat when Waze does this for free, with a much larger userbase. Though it's not really competing with Waze since while there are old versions of the app for the Windows phones, Waze doesn't support the devices. So the Windows phones users are welcome to spend up to 30 cents per trip. The iOS and Android realm will remain happy with our free app.

[dmcconachie]

Then you have situations where you could go a bit out of your way to avoid climbing a big hill.

For round trips using the same path to and from, elevation changes effectively don't exist. For the most part the extra energy used to go up is stored as potential energy and released on the way down.

In a perfect system maybe but braking could ruin that.

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[dmcconachie]

For round trips using the same path to and from, elevation changes effectively don't exist. For the most part the extra energy used to go up is stored as potential energy and released on the way down.

In a perfect system maybe but braking could ruin that.

Braking doesn't matter. If the hill didn't exist you'd expend only the energy needed to accelerate, the extra needed to climb is being converted to potential energy which is recovered on the way back down. Of course this is ignoring any changes in mass, and weather, which of course there will be.

You're assuming a frictionless system. Which real life most definitely is not.

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