Oil and water?

[Dan Newton]

I read an interesting article about the work of Reinhard Strey and his efforts to reduce pollution from diesel engines by creating a stable emulsion of water and diesel fuel using oleic acid and certain amines.
http://translate.google.com/translate?hl=en&sl=de&tl=en&u=http%3A%2F%2Fstrey.pc.uni-koeln.de%2F
Who would have guessed?
The soot is eliminated and oxides of nitrogen are reduced by 80%.

[Dan Newton]

Sorry for being obtuse. Here's a link to a short version of the article;
http://www.economist.com/node/16271415