Eco-Innovation Systems and Problem Sequences: The Contrasting Cases of US and Brazilian Biofuels

This paper discusses the re-emergence of biofuel innovation systems in the USA and Brazil. We develop a view of eco-innovation systems as emerging and evolving to solve ecological problems. We then consider the role of the State as a core actor in the mobilization of innovation systems and discuss how specific institutional arrangements, political contexts and technological competencies influence how problems are framed. We argue that the way ecological problems are framed and articulated has a significant impact on the direction and momentum of system evolution. Finally, we draw attention to the dynamic and evolving characteristics of eco-innovation systems that result from recurrent re-specifications of the problem in focus, as partial solutions emerge and as the political and economic dimensions are reframed.