The potential of human-powered transportation was recognized over years ago. Human-propelled vehicles, in contrast with those that utilized wind power, horse power, or steam power, could run on that most readily available of all resources: willpower. The first step beyond four-wheeled horse-drawn vehicles was to make one axle cranked and to allow the rider to drive the axle either directly or through a system of cranks and levers. These vehicular contraptions ,  were. The first such development came in when the German inventor Baron Karl von Drais, inspired by the idea of skating without ice, invented the running machine, or draisine . On 12 January , von Drais received his first patent from the state of Baden; a French patent was awarded a month later.
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As of [update] , Neckarsulm had 26, inhabitants. Neckarsulm is known for its renewable energy projects and wine. Trollinger and lemberger are the principal varieties of grape grown in this region. Schwartz Gruppe Schwartz Group , which operates the grocery stores Lidl and Kaufland , is headquartered in Neckarsulm. Neckarsulm was first mentioned in a document in and received town charter around