Ok...got it!

Dodge Ram 1500: turbocharged, air-air aftercooled, 5.6 liter V-8 diesel engine with 4 valves per cylinder, high-pressure common rail fuel injection; 19 mpg city, 26 mpg highway

Go here: http://www.orau.gov/deer/presentations.htm#session9

Once there, click-on "Cummins Light Truck Clean Diesel Engine".

 

I did a copy and paste and it came back "cannot be found"

edit: i see you are working on it....
edit 2: works

 

looks like that 5.7 Hemi is still ahead in the acceleration category...

but it is good to see an update to that report. I have a copy from 2002 of a similar report....