Well this story did show up on Car Talk as a puzzler in 1997: http://web.archive.org/web/20030814220711/http://cartalk.cars.com/Radio/Puzzler/Transcripts/19971

Well this story did show up on Car Talk as a puzzler in 1997: http://web.archive.org/web/20030814220711/http://cartalk.cars.com/Radio/Puzzler/Transcripts/199714/answer.html http://web.archive.org/web/20030814220711/http://cartalk.car... http://www.snopes.com/autos/techno/icecream.asp http://www.snopes.com/autos/techno/icecream.asp