We provide links to only the most tasteful videos:
CLARK HOWARD: Should You Trade That Gas Guzzler? on WSB-TV (Atlanta).
And here is the link to WSB-TV* which links to the Political Calculations blog where Ironman asserts that the imperfection was fixed and now the calculator is perfect.
*Note: no way do I want to refer env-econ readers to "itical Calcula."
Hat tip: Ironman.