There's a thread at MNL at http://www.mynissanleaf.com/viewtopic.php?f=24&t=20231 on this.
His running blog is at http://negativecarbonroadtrip.evchargehub.com/.
I posted my opinion at http://www.mynissanleaf.com/viewtopic.php?p=434275#p434275. Frankly, I think it's impossible to sustain an average of 262.219 miles/day on a 26,219 mile trip in 100 days around the US simply due to the huge lack of CHAdeMO DC FCs in many parts of the US and between many cities.