[PaleMelanesian]

Originally Posted by wdb

Or you could buy this.

Amazon.com: Solar Powered Car Auto Cool Air Vent Cooler Cooling Fan: Electronics

But customer reviews are not good, and then there's this:

Someone gave me one of those for a gift. Useless. A hassle to install, and if you plan on driving over 40 mph you really need to remove it due to wind noise. It's noisier than having the window cracked open the same amount. After a few times installing and removing it for minimal cooling effect, I gave up and left it off.