A recent publication by Adams and Barton [1] in the Journal of Power Sources has appropriately espoused and analyzed the high efficiency and carbon separation capabilities of solid oxide fuel cells. Unfortunately, the paper also contains misleading statements and analyses regarding the internal reforming capabilities of solid oxide fuel cells. The current letter to the editor addresses this concern and provides insights into appropriate systems design for solid oxide fuel cells that considers their proven internal reforming capabilities. (C) 2010 Elsevier B.V. All rights reserved.