Listen to software conference talks! It's true that some of the more technical ones will not translate as they require too much concentration. Ideally, you can find some that are more conceptual or do not rely directly upon watching the slides.

I posted a few of my favorites from last year here: https://www.kevinlondon.com/2015/09/10/10-software-talks-to-...

I, too, generally dislike software podcasts in the car. For me, they usually are paced more conversationally, so I find that I get disinterested.