Nissan and Cummins have announced plans to release a version of the 1/2-ton Nissan Titan pickup with a 5.0L Cummins V8 diesel in 2015:
Nissan Titan to get V8 Cummins diesel in 2015 - Autoweek
http://www.autoguide.com/auto-news/2...diesel-v8.html
This is a separate program than the 2.8L I4 Cummins Nissan Titan project, which has seen a few prototypes, but no announcements on actual intentions of mass-production:
http://ecomodder.com/forum/showthrea...cyl-17501.html
This 5.0L V8 Cummins diesel was the engine that was originally going to be for the Dodge Ram 1/2-ton pickup back in ~2010. Cummins had their manufacturing lines all ready to go when the program got axed during Chysler's bankruptcy.
Earlier this year, Ram announced they'll be offering a VM Motiri 3.0L V6 diesel in their 2014 1/2-ton trucks:
http://ecomodder.com/forum/showthrea...sel-24940.html