I'm amazed that this article doesn't mention biodiesel. Instead of trying to eliminate sulfur from petroleum diesel, why not increase the production of biodiesel that has no sulfer to begin with, burns much cleaner anyway and is better for our engines?

__________________
2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL