RAY: Now here's the answer. The automobile executive who proposed a biodegradable car made of soybean plastic was...
TOM: The suspense is killing me!
RAY: Henry Ford. Back in 1941, he unveiled a prototype of an ecologically friendly car, complete with tires made from goldenrod. Can you imagine that? Cars made from plants?
TOM: I got to get some of those growing in my garden!
[ Car Talk Puzzler ]