Mattsuzie ask,<<Speaking of diesels, is there any way that they can put some kind of fancy hi-tech catalytic converter on a diesel to reduce the emissions level to an acceptable limits with gas engines??>>
Yes. My wifes 96Passat TDI has a Cat' converter.I don't know if it is high tech, but is is connected to the CPU.
96VW Passat TDI 83k
83 MB 241k THE SILVER COFFIN Retired for repairs
80 Eldorado 5.7liter Diesel 165k FOR SALE CHEAP