Interesting posts by Wayne Gerdes on his successful Guinness World record attempt for a Hybrid crossing the US.
2017 Kia Niro CUV Sets GUINNESS WORLD RECORDS Title for Lowest Fuel Consumption for a Hybrid Vehicle | CleanMPG
2017 Kia Niro CUV Sets GUINNESS WORLD RECORDS Title for Lowest Fuel Consumption for a Hybrid Vehicle | CleanMPG