V-12s Forever! The wealthy will still have their monster engines when you don’t.

Gazing into my crystal ball, the next generation of passenger vehicles will consist almost totally of battery electric vehicles, dusted with a small percentage of heavy-duty diesel trucks, a few weirdo hydrogen fuel cell vehicles, and gasoline-powered sports cars (some using eFuel - see page 82). And according to A Wild Ride: The Making of Valkyrie, Cosworth generated more CO2 while emissions-testing the Aston Martin Valkyrie's V-12 than all 285 production Veyron engines will release, ever. He already owns two Ferraris, but sadly for him neither one is a V-12, so the dealer who sold him those cars won't grant him an allocation for a Purosangue. [Extracted from the article]