Doonesbury by Garry Trudeau for January 11, 1974
Transcript:
Mark: Think you'll get any service here? I've heard they're mighty low on gas at these stops... Man: Nah... they'll usually give it to you if you ask... Attendant: Hey, buddy! There's nothin' left... Man: Gimme fifty gallons of diesel fuel or I'll climb down from here and break your collar bone. Attendant: Oh... okay... Man: 'Course, you gotta be firm...