Ladies, like us, you've been had.

Dear Car Talk | Jun 01, 1993
Dear Tom and Ray:
Mary and Sue
RAY: Well, I tried one of these things in my truck, too. And I'm sorry to report that my gas mileage hasn't improved at all. I did, however, notice that my carburetor has recently started to grow hair!
TOM: As far as we know, these things don't work, Mary and Sue. Like a lot of things, this sounds good in theory, but.... in reality, it doesn't do diddley.
RAY: I'm sure the manufacturers of these things will have our legal staff over at Dewey, Cheetham, and Howe, all tied up tomorrow morning. And if they send us any credible, INDEPENDENT evidence that these things really work, we'll pass it along to you. But in the mean time, I wouldn't tell any vacuum cleaner salesmen that you dropped $50 on one of these gadgets. They'll be all over you like white on rice.
Mary and Sue
RAY: Well, I tried one of these things in my truck, too. And I'm sorry to report that my gas mileage hasn't improved at all. I did, however, notice that my carburetor has recently started to grow hair!
TOM: As far as we know, these things don't work, Mary and Sue. Like a lot of things, this sounds good in theory, but.... in reality, it doesn't do diddley.
RAY: I'm sure the manufacturers of these things will have our legal staff over at Dewey, Cheetham, and Howe, all tied up tomorrow morning. And if they send us any credible, INDEPENDENT evidence that these things really work, we'll pass it along to you. But in the mean time, I wouldn't tell any vacuum cleaner salesmen that you dropped $50 on one of these gadgets. They'll be all over you like white on rice.
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