Fuel tank too large

[trollbait]

It's advanced hypermiling techniques. Used to be discussions about it during the gassavers days here.

[JockoT]

If the Guinness World Records authenticated it they would not have been allowed to switch the engine off. Probably a lot of very close drafting.
I have managed 69.9 mpg with my petrol-engined Jazz without turning the engine off.

[LDB]

I haven't found this particular achievement but found a couple of other impressive events, one the 48 contiguous states and one 24 EU nations.

https://www.usatoday.com/story/money...8-mpg/2453305/

https://hondanews.eu/gb/en/cars/medi...-per-gallon-in

[trollbait]

The Passat driver runs CleanMPG.com.
The reward may have been rescinded because of dieselgate.

[Jay2TheRescue]

Originally Posted by trollbait

The Passat driver runs CleanMPG.com.
The reward may have been rescinded because of dieselgate.

Wayne is a friend of mine, and I have joined him on a few of his drives. AFAIK the records have not been rescinded.