Interested in the reference to MeOMe. A certain person on dKos is a big booster. I too can't assess his seemingly convincing arguments. Put the point is, we may not need fossil fuels to power other industries. We just need fuels, and will have to manufacture them, which means there'll be less available. But not necessarily none. We will need to be more selective about what we mine. More titanium, less gold and diamonds perhaps.
It was one or more US academics, and it came from a news item on the ET morning news round, as I recall. It all sounded quite reasonable.
A bit of googling should find it... "Any economic unit can emit money. The serious problem is to get it accepted" Hyman Minsky