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
Gerdes and Bernius successfully piloted a factory-standard 2011 Kia Optima Hybrid sedan through a 7,899 mile (12,712 km) route across America and achieved an average fuel consumption of 64.55 mpg US (3.64 Kia’s 48 state challenge was completed in 14 days driving an average of 564 miles per day.
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