Caption (Image: Paul McDevitt)
Which part of “partial zero” don’t we understand?
READER John Cleveland is puzzled. His new Subaru car proudly declares itself to be a “Partial Zero Emission Vehicle” (PZEV). “Not being a great mathematician,” he writes, “I’ve spent way too much time sussing out what quantity of greenhouse gases might be in a part of zero.”
He is not the only one who is confused. “What does Partial Zero Emission Vehicle mean?” asks one post on the Ultimate Subaru Message Board. Another comments: “That’s like being ‘a little bit pregnant’.”
Feedback wondered whether mathematics was…
