During the late 20th century the growing price of petroleum (and therefore of gasoline) in several countries led to the increasing usage of gasohol, which is a mix of 90 p.c unleaded gasoline and 10 % ethanol (ethyl alcohol). Normal unleaded gas is the lowest octane fuel at normally an https://bookmark-vip.com/story17024540/the-smart-trick-of-gasoline-sds-that-nobody-is-discussing