[nightdriver]

"That must be why the National Petroluem and Refiners Association appears to at least generally be on board with these regs."

I hope you're being sarcastic. The refiners have to spend exponentially more for every incremental amount of sulfur removed from their product until at the asymptotic "zero" point they wouldn't have any product left to sell at all.

The Klaus process would be multiplied until most of the product was used up in running it.

[!1776!]

I hope you're being sarcastic. The refiners have to spend exponentially more for every incremental amount of sulfur removed from their product until at the asymptotic "zero" point they wouldn't have any product left to sell at all.

Take a look at their website to see their comments. I cut and pasted a chunk in an earlier post also...