Similar title to Ausubel, J.H., Grubler, A. ORCID: https://orcid.org/0000-0002-7814-4990, & Nakicenovic, N. ORCID: https://orcid.org/0000-0001-7176-4604 (1988). Carbon Dioxide Emissions in a Methane Economy. IIASA Research Report (Reprint). IIASA, Laxenburg, Austria: RR-88-007. Reprinted from Climatic Change, 12 (3). pp. 245-263