Delamare-Deboutteville was among the earliest designs of car, driven by an internal combustion engine. It was developed in France by Édouard Delamare-Deboutteville and patented in 1884, but did not achieve commercial success. thumb|right|Diagrams from patent of the Delamare-Deboutteville design
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Delamare-Deboutteville was among the earliest designs of car, driven by an internal combustion engine. It was developed in France by Édouard Delamare-Deboutteville and patented in 1884, but did not achieve commercial success. thumb|right|Diagrams from patent of the Delamare-Deboutteville design
==Development== Édouard Delamare-Deboutteville described how, with his assistant Leon Malandin, he had built and driven his car in early 1884. The car had a front bench seat and a rear platform, four wheels, a transmission to the rear wheels by chain, shaft transmission and a differential. In 1883 Edouard Delamare-Deboutteville made a trial run of a car whose engine was powered by gas; but the gas supply hose broke during this first trial, so he replaced the gas with fuel oil. In order to use this product, he invented a wick carburetor. This vehicle travelled for the first time on the little road from Fontaine-le-Bourg to Cailly in Normandy in early February 1884. On 12 February 1884, he registered his design under patent number 160267.
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