https://kids.guinnessworldrecords.com en

Lowest fuel consumption driving to 48 contiguous US States (hybrid car)

Lowest fuel consumption driving to 48 contiguous US States (hybrid car)
Apply Now
Who
Kyle Morris, Connor Morris
What
3.16 litre(s) per 100 kilometres
Where
United States (Port Orchard,)
When
27 June 2013
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.

The lowest fuel consumption driving to 48 contiguous US states in a hybrid car is 3.16 litres per 100 km (74.34 US mpg, 89.28 UK mpg) and was achieved by Kyle Morris and Connor Morris (both USA), driving a stock 2006 Honda Insight, between 15 and 27 June 2013.