2012 Hyundai Veloster - 67.0 mpg out - 58.5 mpg in.
2011 Chevrolet Volt Mountain Mode - Final - 58.5 mpg
HCH-II at 58.5 mpg in - 3 degrees F temp. After a fresh oil change and decent fuel, even the colder temps could not keep the HCH-II from waking up.
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