AI Detailing Podcast trace the history of pressure washing, from its unexpected origins in the early 20th century with bootleggers using pressurised steam, to its development into a multi-billion dollar global industry. Key milestones include the accidental discovery of its cleaning power, the invention of the first portable hot water pressure washer by Alfred Kärcher, and significant technological advancements, particularly in pump technology with the introduction of ceramic plunger pumps. The evolution of pressure washing applications, from industrial uses to everyday cleaning and even diverse modern applications like firefighting and manufacturing, is also highlighted.