Abandoned History: General Motors' High Technology Engine, and Other CAFE Foibles (Part IV)
We return to the saga of GM's High Technology engine today, after taking a diesel detour in our last entry. Concurrent in the High Technology engine's timeline, the Oldsmobile diesel's failure was quick, but certainly not painless. It put the majority of American consumers off the idea of a passenger car equipped with a diesel. And by the time GM pulled the diesel from its various brand lineups, there was a strategy change over in HT4100 land: Not calling the engine HT anymore.
Source: thetruthaboutcars.com