Gas prices are now firmly entrenched at $4.00 per gallon.  Every mile you drive is the most expensive it has ever been.  Because of that you are probably starting to do away with some of the miles you used to drive. 
Some of those miles are easy to forego such as an extra trip to the [...]

At over $4.00 per gallon, every drop of fuel is precious, or so I thought until I see people leave their cars idling while they run back into their house to get something they forgot.  I see people idling their cars to keep cool in the air conditioning while waiting for their spouse to come [...]