The two types of hull shape are runabout and hydroplane. Ford Motor Company's first hatchback was the Ford Pinto Runabout, introduced in 1971. Two Model S styles were produced, a runabout and a roadster. The rear featured modified double width tail-lamps for sedan and Runabout models. The hull of the "Danube"-class runabout is shaped roughly like a long, rectangular box. National's first vehicle was the tiller-steered electric runabout Style A in 1900. Marketed as the "Runabout," the hatchback went on sale five days later, priced at $2,062. The first production Autocar automobile was a 1900 single cylinder chain drive runabout. The Riva Aquarama is a luxury wooden runabout built by Italian yachtbuilder Riva. Cadillac's first automobiles, the Runabout and Tonneau, were completed in October 1902. A runabout priced at $3750 equipped with a four-cylinder engine. In 1993, AMT/Ertl released a model kit for the runabout USS "Rio Grande". The Runabout was powered by the same engine as the Autobianchi A112. The abbreviation BR-V stands for "Bold Runabout Vehicle". Only one model, the little Curved Dash runabout, was saved from the flames.