ECO Mode ON/OFF experiment (with data) - Highway driving

[MavStangVa]

It may indeed do some extra things on the EB besides ACC recovery and limiting AC power - compared to the Hybrids most of these comments have been about.

The hybrids have a 3-phase AC compressor, so amount of power given can truly be adjusted, much like the eCVT gearing.
EB is just clutch controlled, so I'm wondering if it truly deals with backing that off.

Did it feel like it remapped the gas pedal to be a bit more gentle - like you had to press to perhaps 25% of travel to get the same get up and go, compared to 15% not in ECO mode?

I see no reason on an EB to use ECO on the highway going 70+ mph with the cruise on. When mine slows down with ACC on I push the X button and take over control of my vehicle. I like the feature I don't run up on a much slower vehicle but I will do the accelerating back to speed myself. In normal with ACC set to 73 on a 300 mile drive I got 31 mpg.

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[AirborneRATT]

I too have the hybrid. I keep playing with the different modes and with my driving mostly in town (stop and go), I find that I can get crazy good milage on eco mode. I feel that eco is just more aggressive in charging the battery when I let off the gas and less aggressive when I step on the gas thus giving priority to the batteries and battery assist.

I tried sport mode once just to see what it does and... it just never turns the gas motor off. It'll list the MPG as 999.9 but won't go to "electric".

I saw this post just prior to having to drive a few hours away on the highway and left it in normal mode when on the highway. Did it help? I don't know. I have a lot to learn about how the various modes work. I appreciate your post and look forward to learning more myself.