Kia Optima Hybrid sets a new Guinness World Record for fuel economy; Gerdes and Bernius achieve average 64.55 mpg through 48 US states
Green Car Congress
SEPTEMBER 13, 2011
A Kia Optima Hybrid ( earlier post ) driven by hypermiler Wayne Gerdes and his colleague Chris Bernius set a new Guinness World Record for the lowest fuel consumption in a hybrid gasoline vehicle while driving through all 48 adjoining US states. mpg US (3.64 mpg US (3.64 mpg, which the Optima Hybrid exceeded by 23%.
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