We rented an Audi A3 TDI while in Germany last month. Amazing car... I can't figure out why Audi and MB aren't importing more of these. Are diesels that poorly regarded here?

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1992 300D 2.5T
1980 Euro 300D (sadly, sold)
1998 Jetta TDI, 132K "Rudy"
1974 Triumph TR6
1999 Saab 9-5 wagon (wife's)