Hyper Miler 101

We put the call out for hyper milers, and you answered.
This coming weekend we’ll be putting four Metro Vancouver drivers in a 2017 Toyota Prius Tech and have them travel a 70-kilometre drive route to see who can get the lowest fuel economy rating. The drive route is part highway, part city roads, and we expect some of them — perhaps all — to better the Natural Resources Canada combined rating of 4.5L/100km.
How? Hyper miling.
Okay, not metrically correct but the term applies i