Safety design is a particular challenge in a small, lightweight car.

Light rail is a general term for lightweight cars that run along fixed rails, like a trolley system.

In 1935 it dropped to 16 hours 30 min each way, and to 16 hours flat on June 15, 1938, when lightweight cars took over.

Coaches include both vintage heavyweights built in the 1910s and 1920s, and lightweight cars from 1954.

The company was among the first to make lightweight cars.

One manufacturer has even experimented with assembling an entire lightweight car using only Velcro to hold it together.

They continued to use the "lightweight" car in 1968, at the Sebring 12-hour race.

"French freight trains haul short, lightweight cars at a minimum speed of 60 miles an hour," he said.

The goal for the company was to build simple and lightweight cars powered by motorcycle engines.

It has no reverse gear, but a handle at the rear allows the very lightweight car to be physically maneuvered when required.