Ford already makes a 3.0L turbo diesel Ranger, just not in America.
I'm not sure, but I would be willing to bet you could score one south of the border. According to a lot of diesel forums and magazines, both Dodge and Toyota are considering oil burners in their small trucks.
Operation Iraqi Freedom V and Operation Enduring Freedom X veteran
The Constitution and Bill of Rights were written in common English for the common man. There is no interpretation necessary.
"To err is human, to err continuously is liberal." - Me