Why did they move from steam engine to gas engine?

The shift from steam engines to gas engines was driven by several factors, including efficiency, convenience, and advancements in technology. Gas engines offered quicker start-up times, lower operating costs, and greater flexibility in design and application. Additionally, improvements in internal combustion engine technology allowed for higher power-to-weight ratiOS, making them more suitable for various transportation and industrial uses. Overall, gas engines provided a more practical and effective solution for powering vehicles and machinery.