[RedDevil]

My Green Oil is very thin; after a few months of cold starts I can say it does make a difference in fuel consumption in the first few miles.
At least I don't have to worry about it being too thick to lubricate the engine.

My biggest concern however is the windscreen fogging up.
On clear nights the top of the car, including the windscreen and boot glass, get colder than ambient.
As soon as the blower gets on a thin layer of ice covers it and reduces visibility to naught.
That is why I sometimes have to let the engine idle a while.

Unless I had used my sunscreen; shiny front, foam backing.
That keeps the glass from getting colder than the rest.
Pity it could not cover all of it. And it was falling apart.

My wife bought me a new one which turned out to be too narrow.
Either one was not strong enough to hold up against the wind we often have here.
I needed something better than a sunscreen.

Meet the modder of all sunscreens:

Two sunscreens held together with double sided tape, covering the whole window and held tight by the doors and wipers that won't freeze stuck to the windscreen.

Now the windscreen gets no colder than the interior, and even that retains just a bit more warmth than it would without the screen, so even the other windows have less ice on them.
Off in seconds, drive ready.