Windshield clearing and cleaning-old new or new tip?

jos51700 said

How do I keep the crap from building up on the inside of my car windshields? Seems like they all do it now?

It's probably cancer outgassing from the plastics.

Click to expand...

Yup.
Driving a cold vehicle, no warm up time is a big contributor.
Windows closed tight and no ventilation. Also a skiff of snow that passes through heater core. Condenses on the glass.