Thirty years ago, Volvo engineers were tasked with creating a drivable car that weighed less than 1500 pounds, could safely seat two people, and achieved at least 58 mpg. The result of the company’s Lightweight Component Project was the LCP 2000, a diesel-powered hatchback constructed of aluminum, magnesium, high-strength plastic, and carbon fiber. PopMech drove it a few months after its debut, and found it to be “a viable proposition.”

Here’s what they got right about the car of the future.