Tumbleweed Whenever you think of the Wild West of America, you think of cowboy movies and tumbleweed, perpetually tumbling around a desolate landscape. According to the American movies, tumbleweed is as American as apple pie.
3 Answers. , I am a serious student of all questions relating to the environment. Gasoline can be ignited by even a tiny spark at temperatures as low as fifty below zero, but it merely evaporates at temperatures up to about four hundred seventy five to five hundred F. At that temperature, it ignites spontaneously.
Denatured fuel ethanolâs. specific gravity is 0.79, which indicates it is lighter than water and it has an auto-ignition. temperature of 689Â°F and a boiling point of 165-175Â°F. Ethanol is less toxic than gasoline or methanol.