Interesting. David Hughes at the Post Carbon Institute said roughly this same thing in 2013. PDF here: http://www.postcarbon.org/reports/Drilling-California_

Interesting. David Hughes at the Post Carbon Institute said roughly this same thing in 2013. PDF here: http://www.postcarbon.org/reports/Drilling-California_FINAL.pdf http://www.postcarbon.org/reports/Drilling-California_FINAL.... At the time he pointed out that much of the original estimate was derived from oil company investor presentations. Perhaps not the most unbiased source for the EIA to use.