There are a wide variety of charges for your iPod. Something to meet pretty much every eventuality so the chances of your iPod running out of juice are kept to a minimum.
Below are a selection of links that will give you more detail on a wide range of iPod chargers. Just click on the link to be taken to the details page.
IA-CAR-02 - iPod Car Charger Apple ipod dock connector car charger. Works with all ipods that use 30 pin dock connection.
Car Charger for Apple iPod (DC-DCIPOD) Air and Auto Charger for Apple ipod, fits all ipods that charge with IEEE 1394 (FIREWIRE). 12V 1.5A Max. Enjoy the portability of powering iPOD in your car; the ability to use a single charger for many FireWire ...