[1]This “Warrington’s Road Engine” appeared in the Jan. 1, 1881 [2] issue of “Scientific American [3]” magazine with a related article headed: “Novel Road Engine”. It predates the work of Karl Benz, generally accepted as the creator of the modern-day automobile, who produced some of his earlier work around 1885.
The article notes that: “…the fuel, which is at the same time the motive agent, is common illuminating gas which is mixed with a certain proportion of air & exploded in the cylinder in the manner common to well known gas engines…”.