The MPG Obsession America Forgot It Had: When Drivers Actually Did the Math at Every Fill-Up
In the wake of the 1973 oil embargo, millions of American drivers started doing arithmetic at the gas pump — calculating mileage, tracking gallons, comparing numbers across tanks like it was a competitive sport. That habit built a generation of fuel-conscious drivers who understood their cars in economic terms. Today, most of us can't tell you our MPG without checking a screen. Here's where that obsession went.