Conceptual matrix for the biofuels of the future applicable to the Romanian economyGheorghe Lăzăroiu, Lucian Mihăescu, Gabriel Negreanu, Viorel Berbece, Elena-Adriana Jarcu and Laura Alexandra StănescuE3S Web Conf., 112 (2019) 02002DOI: https://doi.org/10.1051/e3sconf/201911202002