Dr. Héctor A. Ruiz was a guest on “A Rádio Voz da Planície” in July of 2014, Beja, Portugal. The nature of the interview was the “Renewable Energy-Biorefinaria Integral para a Produção de Bioetanol” production of biofuels.
To listen to specific parts of the interview, please click below
Part I: (2.33 min)
Part II: (6.06 min)