Efen, Wilson Sons, Port of Açu, and Vast to conduct first HVO testing in Brazil’s maritime sec… January 31, 2025 International Shipping, Foreign Ports, Fuel, Maritime, Shipping Line, Technology, Trending News RIO DE JANERIO : This month, Wilson Sons received approval from ANP to conduct the first tests on using HVO (Hydrotreated Vegetable Oil) in the Brazilian maritime sector, with efen and Port of Açu