content: Since you can acknowledge only gasoline fumes burn, maybe you can appreciate the question, why don't we turn liquid gasoline into a gas before we run it through an engine? Unfortunately the answer is when we do we get amazing gas mileage which isn't good for the profits of the oil industry. Here's a link that should start you down an interesting rabbit hole. It's about gasifiers and Vapor carburetors. Also a very special shell motor company car that hardly anyone knows about. Have fun! https://www.google.com/url?sa=t&source=web&rct=j&url=https://m.youtube.com/watch%3Fv%3Dqt7VDBWAJmc&ved=2ahUKEwihjpDE9OzmAhWwtlkKHbpFB5QQo7QBMAl6BAgAEBQ&usg=AOvVaw0j29IgD7UVuNbADqWXnOvg