In 1752, Leonty Shamshurenkov, a Russian peasant, constructed a human-pedalled four-wheeled "auto-running" carriage, and subsequently proposed to equip it with odometer and to use the same principle for making a self-propelling sledge.
Nicolas-Joseph Cugnot is often credited with building the first self-propelled mechanical vehicle or automobile in about 1769, by adapting an existing horse-drawn vehicle. However, this claim is disputed by some who doubt Cugnot's three-wheeler ever ran or was stable.[citation needed] In 1801, Richard Trevithick built and demonstrated his Puffing Devil road locomotive, believed by many to be the first demonstration of a steam-powered road vehicle. It was unable to maintain sufficient steam pressure for long periods, and was of little practical use.
In the 1780s, a Russian inventor of merchant origin, Ivan Kulibin, developed a human-pedalled, three-wheeled carriage with modern features such as a flywheel, brake, Transmission, and bearings; however, it was not developed further.
In 1807 Nicv�phore Niv�pce and his brother Claude probably created the world's first internal combustion engine which they called a Pyrv�olophore, but they chose to install it in a boat on the river Saone in France. Coincidentally, in 1807 the Swiss inventor Franv�ois Isaac de Rivaz designed his own 'internal combustion engine' and used it to develop the world's first vehicle, to be powered by such an engine. The Niv�pces' Pyrv�olophore was fuelled by a mixture of Lycopodium powder (dried Lycopodium moss), finely crushed coal dust and resin that were mixed with oil, whereas de Rivaz used a mixture of hydrogen and oxygen. Neither design was very successful, as was the case with others, such as Samuel Brown, Samuel Morey, and Etienne Lenoir with his hippomobile, who each produced vehicles (usually adapted carriages or carts) powered by clumsy internal combustion engines.
In November 1881, French inventor Gustave Trouvv� demonstrated a working three-wheeled automobile powered by electricity at the International Exposition of Electricity, Paris.
source:wiki.com
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Although several other German engineers (including Gottlieb Daimler, Wilhelm Maybach, and Siegfried Marcus) were working on the problem at about the same time, Karl Benz generally is acknowledged as the inventor of the modern automobile.
An automobile powered by his own four-stroke cycle gasoline engine was built in Mannheim, Germany by Karl Benz in 1885, and granted a patent in January of the following year under the auspices of his major company, Benz & Cie., which was founded in 1883. It was an integral design, without the adaptation of other existing components, and included several new technological elements to create a new concept. He began to sell his production vehicles in 1888.
In 1879, Benz was granted a patent for his first engine, which had been designed in 1878. Many of his other inventions made the use of the internal combustion engine feasible for powering a vehicle.
His first Motorwagen was built in 1885, and he was awarded the patent for its invention as of his application on January 29, 1886. Benz began promotion of the vehicle on July 3, 1886, and about 25 Benz vehicles were sold between 1888 and 1893, when his first four-wheeler was introduced along with a model intended for affordability. They also were powered with four-stroke engines of his own design. Emile Roger of France, already producing Benz engines under license, now added the Benz automobile to his line of products. Because France was more open to the early automobiles, initially more were built and sold in France through Roger than Benz sold in Germany.
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