The story of oil limits is one that crosses many disciplines. It is not an easy one to understand. Most of those who are writing about peak oil come from hard sciences such as geology, chemistry, and engineering. The following are several stumbling blocks to figuring out the full story that I have encountered. Needless to say, not all of those writing about peak oil have been tripped up by these issues, but it makes it difficult to understand the “real” story.
~ Gail Tverberg, from Stumbling Blocks to Figuring Out the Real Oil Limits Story