In his speech to his audience he said ""If it works, I will add carburetor heating and constant level in which introduce either petrol, or gasoline, or tar or shale or resin any". He turned on the gas (illuminating gas) value and pushed the flywheel and the engine came to life. In 1860 Lenoir received a patent for "an air motor expanded by gas combustion" from Conservatoire National Des Arts Et Métiers number N.43624 [5]