Notes
In preparing this text, we benefited greatly from the assistance of Anna Nogar, discussions with Kristal Enter, and comments from Ronald Mitchell, Christoph Pistner, Mark Soo Hoo, Jan Prawitz, Lena Oliver, Per Botolf Maurseth, and an anonymous reviewer. The views expressed in this paper are those of the authors and should not be ascribed to the above‐mentioned institutions or to the United States Department of Energy.