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Dave Murphy, Assistant Professor, St. Lawrence University

On Twitter: @djmurphy04
On the web:


Murphy: The implications of the declining energy return on investment of oil production (Dec 2013)
Murphy: Archive of EROI publications
Nelder: What EROI tells us about ROI (Sep 2012)
Nelder: Has vehicle efficiency really curbed U.S. oil demand? (Feb 2012)
Jenny Hsu (WSJ): Hopes for ‘Golden Age of Gas’ Evaporate (Nov 2015)


Photo credit: (via