David Pogue finds A Car Inverter Almost Worth Blogging About. Seemingly $50 well spent.
A good point, instead of all those cigarette lighter receptacles, why don’t auto manufacturers just build-in an inverter?
And while they’re at it, how about a radio-controlled automatic clock (just set the time zone)?
Some models of the Hyundai Sante Fe and RAV 4 come with plugs.