I remember this time fondly as a kid, yep , .......... How things have changed : https://www.youtube.com/watch?v=UOVcBNSjURs
I remember my days at Texaco selling $0.99 gas. Each fill up awarded you a star card. 6 star cards = a free regular car wash. Undercarriage, polish and clearcoat protectant were each a dollar more. Guess the year?