Coupled with the huge losses due to the dieselgate scandal, Audi is ending it's LMP1 series at the end of 2017 and concentrate on the GT3 series. It is also scaling back it's Ingolstadt development center to concentrate (ultimately) in producing high performance batteries for their green cars. It seems diesel will be mostly stifled at the expense of electric or gas hybrid vehicles.
Guess not even VDub can absorb this type of financial burden and continue "business as usual". That's only reserved for banks and S&L...