I found these guys that have started doing the Eco-diesel tuning - here in Canada, so not bound by EPA rules.
lol
lightspeedinnovations.com
Not sure how good they are, but there is an alternative if GDE does not come back. Pricing is comparable to GDE (in CAN$).
Dodge RAM- Jeep ECODIESEL Tuning « Light Speed Innovations
Not sure how good they are, but there is an alternative if GDE does not come back. Pricing is comparable to GDE (in CAN$).