At this time four years ago, before the pandemic and the Ukraine-Russia war stole the headlines, the cost of fuel was the big topic in shipping.
The industry was about to implement a sweeping new global regulation, IMO 2020, requiring the use of more environmentally friendly and more expensive very low sulfur fuel oil (VLSFO), with a sulfur content of 0.5%. Added fuel costs would be passed along to cargo shippers, and ultimately, consumers.
Fuel costs spiked as predicted after the regulation went...
https://www.freightwaves.com/news/time-to-start-worrying-again-about-rising-cost-of-ship-fuel