Benefit to using Eco mode on highway driving?

[surfstar]

Toyota hybrids run the a/c compressor slower when in eco mode. Haven't found anything that states Ford does so. That would be a true way to improve mpg (applicable to hybrids with electric compressors usually).
Toyota hybrids also have a driver or front seat priority selection for HVAC - saves energy by not heating/cooling empty seats. Likely hard to measure the difference, but using less energy heating/cooling a cabin definitely improves mpg.

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[JPerata]

Toyota hybrids run the a/c compressor slower when in eco mode. Haven't found anything that states Ford does so. That would be a true way to improve mpg (applicable to hybrids with electric compressors usually).
Toyota hybrids also have a driver or front seat priority selection for HVAC - saves energy by not heating/cooling empty seats. Likely hard to measure the difference, but using less energy heating/cooling a cabin definitely improves mpg.

Not exactly sure of this but the Prius looks like it is driven by a belt off the crankshaft unlike the Maverick which is fully electric power. HVB

 

[surfstar]

Not exactly sure of this but the Prius looks like it is driven by a belt off the crankshaft unlike the Maverick which is fully electric power. HVB

Pretty sure most (all?) Toyota hybrids are beltless. Maybe the OG Prius used a belt.

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