Frontline says sanctions enforcement pushing tanker rates up after profit plunges 23 May 2025 John Fredriksen tanker giant notes improving activity levels so far in second quarterAuthor: Capt. Johnhttps://www.tradewindsnews.com/tankers/frontline-says-sanctions-enforcement-pushing-tanker-rates-up-after-profit-plunges/2-1-1823699