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Publications
An Open-Source Framework for Evaluating the Cost and Greenhouse Gas Emission Impacts of Design Decisions in Hydrogen Direct Reduced Iron Production
Hoffmann, Elina S., Karplus, Valerie J., Pistorius, P. Chris. "An Open-Source Framework for Evaluating the Cost and Greenhouse Gas Emission Impacts of Design Decisions in Hydrogen Direct Reduced Iron Production," AIST Transactions , Iron & Steel Technology , February 2026, Vol. 23, No. 2, pp. 196-211. DOI 10.33313/TR/0226. View the paper here
Heterogeneous operations and opportunities to reduce CO2 emissions in global blast furnace ironmaking
Hoffmann, Elina S., Karplus, Valerie J., Pistorius, Chris P. 2025. Heterogeneous operations and opportunities to reduce CO2 emissions in global blast furnace ironmaking. Environmental Research: Letters 21 024005. View the paper here
Status of CCS injection well regulation in the United States and correlates of project location and maturity
Moore, Emily J., et al. 2025. Status of CCS injection well regulation in the United States and correlates of project location and maturity . Environmental Research: Energy 2 045021. View the paper here
Subsistence preference in practice: access decisions in salmon fisheries in the Alaskan Yukon River
Curtis, S. E., B. Fischhoff, and V. J. Karplus. 2025. Subsistence preference in practice: access decisions in salmon fisheries in the Alaskan Yukon River. Ecology and Society 30(4):43. View the paper here
2025 Accelerating Green Steel Workshop Proceedings
The Wilton E. Scott Institute for Energy Innovation hosted a research workshop on Accelerating Green Steel at Carnegie Mellon University. The workshop gathered experts on iron and steelmaking from around the globe on September 4-5, 2025. The workshop was co-hosted by the Center for Iron and Steelmaking Research (CISR), with support from the Industrial Decarbonization Analysis, Benchmarking, and Action Partnership, funded by the U.S. National Science Foundation. The workshop b
Downsizing the National Oceanic and Atmospheric Administration
Karplus, V and C Samaras (2025), ‘Downsizing the National Oceanic and Atmospheric Administration‘, in Gensler, G, S Johnson, U Panizza and B Weder di Mauro (eds), The Economic Consequences of The Second Trump Administration: A Preliminary Assessment, CEPR Press, Paris & London. View the chapter here.
New frontiers in research on industrial decarbonization
Armitage, Sara; Barrage, Lint; Burtraw, Dallas; Colmer, Jonathan; De Preux, Laure; Gillignham, Kenneth T.; Hawkins-Pierot, Jonathan; Holt, Charles; Karplus, Valerie J.; Löfgren, Åsa; Martin, Ralf; Miller, Nathan; Muûls, Mirabelle; Osborne, Matthew; Severnini, Edson; Shobe, Willian; Sileo, Grethcen; Smirnyagin, Vladimir; Stoerk Thomas; Tsyvinski, Aleh; Wagner, Katherine; Wagner, Ulrich J.; Wu, Xi (2025). New frontiers in research on industrial decarbonization. Science Vol. 39
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