This week on the podcast, Robert Patton joins the Larry Webster to chat all things diesel. Why does some exhaust smell bad? What is DEF? And what about the mysterious death of inventor Rudolf Diesel? Patton sets us straight and shares his expertise gained from years of running the Turbo Diesel Register magazine.

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About the pod: the Never Stop Driving podcast is available on Itunes, Spotify, and YouTube. Like this newsletter, it's free to everyone because one of Hagerty's goals is to spread car passion. On the show, we’ll cover a wide range of automotive topics, including interviews with the people doing the most interesting work in the car world. I expect it to evolve over time so your feedback is welcome. Please give it a listen and help us spread the word with a positive rating and share it.