Complex sentence: The Petroleum Reitwagen used a hot tube ignition system and the fuel known as Ligroin to become the worlds first internal combustion engine power vehicle using a four-stroke engine based on Nikolaus Otto's design.
Split into simpler sentences: The Petroleum Reitwagen used a hot-tube ignition system and the fuel known as Ligroin to become the world's first vehicle powered by an internal combustion engine. It used a four-stroke engine based on Otto's design.