So if the oil from a beaver pelt can power an [LongDuckDong] automobeeeele??? [/LongDuckDong] for six hours, how many hours will it take to let these little shits create a reasonable facsimile of the Glen Canyon Dam, such that we can harvest their bodies and use them for fuel on a scale that would, say, power an alt.vehicle to deliver groceries from the local Bashas store in Page to the DaBurglar houseboat on Lake Powell?