Nope, in the written article the diesel availability in any of Rams isn't even mentioned.
Hah, well there ya go... I guess after hearing him say ecodiesel in the video I just skimmed the article. Whoops!http://driving.ca/nissan/titan/reviews/road-test/pickup-review-2016-nissan-titan-xd
Second paragraph below the pictures
The Titan XD was designed specifically for towing, starting from the front, with a 310-horsepower 5.0-litre Cummins turbodiesel and a six-speed transmission; sure, you can get a smaller Cummins diesel in the Ram, but not with the whopping 555 lb.-ft. of torque this one delivers.