If you're like me, and have a car with no air conditioning, ... DIY: Build your own portable 12v air conditioner. Contributor. 9:00 AM PDT · July 15, 2009.

We've shown you how to make an air conditioner (even for as low as $30 ), but what if you wanted something you can put in your car and take with yo ...

The 12V jack in a car (once the cigarette lighter) is a pretty common place for many of us to put a USB charger these days. In a lot of car models, th. Skip to Main Content.