[groar]

Originally Posted by trikkonceptz

Where can we see/read the rules and or conditions that needed to be met in order to set this record?

I didn't see any information on it in the posts nor was there much info on the car(s) that they used for the challenge other than it being a Honda Hybrid.

See part "The driving" in the first post of this thread :
Hypermilers complete new Guinness verified World Record at 68.54mpg (US)! - CleanMPG Forums

Wayne, Justin, and Jennie set out for records all the way around. They made the trip in just 7559.8mi, driving at least 15mi in each of the 48 contiguous states on their way to this record. The average distance per tank traveled was an even 840mi and the team used just 9 tanks to complete the journey. Scaling peaks over 7000' above sea level and driving through the worst winter could throw at them, they followed a rigorous documentation regime capturing pictures of every state line crossing and full gas station attendant verification of fueling stops, amounts, and sealing of the fuel tank. Friends offered lodging and sustenance, a Honda dealership hosted a fuel economy meet and greet complete with presentations by Wayne and driving tips/training provided by all three drivers in South Carolina. Regular updates, pictures, and tracking data were provided by Jennie through her iPhone and each team member turned out astonishing segments in the very capable Honda -- many of them substantially higher than the typical driver produces in the best of driving conditions.

Denis.