I call shens on the 0.02 cents / mile cost to ride.
Of course they're not including the cost of actually buying the bike, but that can be forgiven.
Looks like efficiency of bikes run from 8 Wh/mile to 32 Wh/mile... so I'll assume this bike is on the efficient side with 10 Wh/mile to run.
http://www.atob.org.uk/questionselectric.htm#efficiency
Ok, so they claimed 0.02 cents per mile to ride.
That's 0.0002 dollars per mile to ride.
So, for $1, you can ride 5000 miles.
Assuming this 10 Wh/mile efficiency, we need to be able to obtain 50,000 kWh for $1.
In Hawaii (where this bike is), electricity is around 21 cents per kWh.
http://www.heco.com/portal/site/hec...tfmt=defau&vgnextrefresh=1&level=0&ct=article
So, to get 50,000 Wh (50 kWh) of electricity in Hawaii, that's $10.50
That assumes that all it costs to ride the bike is electricity cost (no repairs, no battery replacement, no replaceable parts, etc.)
It also assumes that there is 100% efficiency in charging the bike's battery up from your electric power at home. Based on some efficiency estimations I've seen, that might take the cost up to around $13 of electricity cost to go 5000 miles.
http://www.ebikes.ca/sustainability/Ebike_Energy.pdf
So where does this guy get the 0.02 cents / mile ride cost?
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