To tackle this, you’ve probably already heard of dehumidifier bags, which can go a long way towards controlling the condensation in your vehicle. But those can err on the pricey side, and given that we’re heavily in radiator-on status, you’re probably looking to save as much money as possible (I know I am).
Article source: https://www.huffingtonpost.co.uk/entry/potatoes-defrost-windscreen_uk_6954f990e4b0c62e3c4e827d