EROI of oil shale
I have not seen EROI reported for oil shale at 1, although I have discussed Adam Brandt's values for two type of oil shale system with him extensively. I would suggest that the uncertainty is far larger on the high end, given values reported by technology developers at annual oil shale symposia which I co-chair. While these have not yet been as rigorously tested, they provide suggestions that the EROI could be substantially enhanced once real systems are working. If only the values reported by a select few researchers are to be allowed, then perhaps the cited range is adequate. I will certainly be delving deeper into the literature, especially regarding the feasible EROI cutoff for the traditional fuels, as well as trying to understand the potential EROI for electric vehicles, which perhaps you have already commented upon.
