Yes, and sulfur isn't the only cloud nucleation trigger. Refineries of ship 'bunker fuel' used to seek contracts from disposal companies to burn their chemical waste at sea. And dirty fuel has lots of natural vanadium. Source: oil spill around my houseboat legal case in the 1980s, fuel company had to disclose breakdown of content.
It was a failed underwater weld between bulkheads on a oil barge and 30,000 gallons of oil caught the wind and drifted into the cove overnight. Are you thinking I poured it into the ocean myself, was suing myself?