It's best to see if any additive is safe for your emissions equipment. In general, anything that reduces soot formation in the cylinder because of better combustion will help reduce the number of regens.
Fortunately, there are some fuel additives that are safe to use on catalysts and DPF's used on the 14 GC diesel. One of I know of for certain is PS, but there are no doubt many others. I'm not endorsing PS, I just happen to use it for the long term injector cleaning benefits.
It will be harder to tell if an additive reduces soot formation when you have a DPF, except by carefully monitoring regens, but for those of us without them, we can tell almost instantly, LOL. All we have to do is drive behind our CRD Jeeps and watch the exhaust.
In the early days of ownership, I ran numerous tests where I asked my wife to drive the CRD while I monitored it from behind. I took me a while, but I found which fuels in my area and which amount of fuel additive worked best for my engine.
Fortunately for me, I found the right combo before my wife's patience was exhausted.
If you want to use one, check their FAQ's out to see if it's safe for DPF's and catalysts. If it doesn't say it's safe for DPF's and catalysts, I wouldn't use it.
FAQ - Power Service Diesel Fuel Additives