Marcopolis.net Video Interview with Emilio Rietmann, President of ERB, also available here br br Emilio Rietmann, President of ERB (Energias Renováveis do Brasil), talks about his vision for the future of his company and the sector as a whole: steam and power generation from biomass in Brazil. br br To read the full transcript of the MarcoPolis interview with Emilio Rietmann, President of ERB, visit Marcopolis.