The JPL was a cyclecar

Cyclecar

Cyclecars were small, generally inexpensive cars manufactured mainly between 1910 and the late 1920s.-General description:Cyclecars were propelled by single cylinder, V-twin or more rarely four cylinder engines, often air cooled. Sometimes these had been originally used in motorcycles and other...

 built in Detroit, Michigan

Detroit, Michigan

Detroit is the major city among the primary cultural, financial, and transportation centers in the Metro Detroit area, a region of 5.2 million people. As the seat of Wayne County, the city of Detroit is the largest city in the U.S. state of Michigan and serves as a major port on the Detroit River...

by the J.P.L. Cyclecar Company in 1913. The JPL was designed by J.P. La Vigne who was an early and ubiquitous engineer in the industry. The cyclecar was equipped with a four-cylinder air-cooled engine with a sliding-gear transmission. The vehicle was claimed to get 30 miles per US gallon-40 miles per US gallon, and have a top speed of 50 mi/h.