There are also other naturally based products that have a selective affinity for oil, some of them moss based. Both the inventors and the manufacturers have been in contact with the powers that be but, to date, I haven’t heard of any use of those products. They’d seem ideal for things like sopping up oil behind the booms.
Bureaucrats are both cautious and political. You’re not likely to see such innovation at all.
A couple of good ole boys outwit the experts…