I came across this article that outlines all the diesel cars coming to the US soon. It's great that there will be more options soon (though most are kind of high end) ... maybe it will kick Subaru into bringing their diesel boxer over finally!
http://www.thedieseldriver.com/2013/01/diesel-car-lineup-in-us-for-2013-2014-preview-report/
http://www.thedieseldriver.com/2013/01/diesel-car-lineup-in-us-for-2013-2014-preview-report/