Vietnamese shipowner says its tanker could not have been source of oil slick off Brazil 20 February 2024 PetroVietnam transportation unit says PVT Sunrise was in ballast and discharged no oilAuthor: Capt. Johnhttps://www.tradewindsnews.com/sustainability/vietnamese-shipowner-says-its-tanker-could-not-have-been-source-of-oil-slick-off-brazil/2-1-1601128