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Eco Cruise


Dmpoole
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Eco-cruise has nothing to do with the 62mph. Eco-cruise works at any speed.

 

The 62mph is the limitation of the electric motor in the Hybrid model C-Max (The Energi model can go up to 80 on the electric motor due to changes in gearing and computer programs).

 

Eco-cruise is simply a setting which makes the cruise control try and optimize for fuel efficiency. It doesn't change a lot that is directly noticeable to the driver. It may, for example, not try to aggressively maintain an exact speed in Eco-cruise such that when you go up and down hills it would let the car slow a little more and not accelerate as hard to keep the set speed. It may be more prone to try and regen when in Eco-cruise. Etc etc...

 

What you will find, however, is that over 62mph you do not have your all electric motor available and as such the ICE cannot shut off.

 

This is one small reason why the EPA highway tests which are only 11 miles long and average 48mph and don't go over 60mph are not accurate representations of real world. Even the "high speed" EPA test averages around 48 and only goes over 60 a couple times for really short spikes.

 

Since Ford set the electric motor to be able to run up to 62mph it really is optimized for city driving and not true highway driving.

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