Shifting Petroleum Product Slates Undermine Greenhouse Gas Benefits from Biofuel Policies

I. Daniel Posen

University of Toronto

Daniel Posen is an assistant professor in Civil Engineering at the University of Toronto. He holds a dual PhD in Engineering & Public Policy and Civil & Environmental Engineering (Carnegie Mellon University, 2016), a Master of Science in Economics (London School of Economics, 2012), and a Master of Research in Green Chemistry (Imperial College London, 2010). His expertise spans a range of areas including life cycle assessment & life cycle thinking, quantification of emissions uncertainty, economic modeling of fossil fuel & energy markets, and public policy & decision support models. His current projects centre around prioritizing greenhouse gas mitigation strategies, with a focus on urban environments and on selecting among competing uses for biomass.


A basic assumption underlying many transportation fuel policies is that the use of a lower-carbon alternative to, say, gasoline, avoids the use of an equivalent quantity of gasoline—this assumption is embedded in the... [ view full abstract ]


  1. I. Daniel Posen (University of Toronto)
  2. Richard Plevin (University of California, Berkeley)
  3. Inês Azevedo (Carnegie Mellon University)
  4. Paulina Jaramillo (Carnegie Mellon University)
  5. Michael Griffin (Carnegie Mellon University)

Topic Areas

• Sustainable energy systems , • Advances in methods (e.g., life cycle assessment, social impact assessment, resilience a , • Public policy and governance


MS-15 » Special session: "LCA of transportation fuels - recent history and emerging applications" (14:00 - Monday, 26th June, Room F)

Presentation Files

The presenter has not uploaded any presentation files.