Out of the four cars I own, there's only really one that can be considered "modern," and next year it'll be old enough to get Bar Mitzvah'd. Still, I have a kid now, and that means I really should ...

What's easy to forget, though, is that Volkswagen's TDI engines were brilliant and clean diesel was becoming a reality for the mainstream. Not many Dieselgate-era engines survived the aftermath, but ...