It has an attention-grabbing headline. It mentions "excessive driving costs," a timeless problem. And it includes a cartoon seemingly plucked from the pages of the New Yorker. But what secures this March 1961 ad a spot in the Pennzoil Pantheon is the key at the end of the last paragraph intended to help readers pronounce a seemingly phonetic brand name. These days such a guide is no longer necessary: according to a survey of licensed drivers conducted by a leading research firm from 2005-2010, Pennzoil is the most trusted name in motor oil*.
* Based on a survey of licensed drivers conducted by a leading research firm. January 2005–December 2010.