for butane bottle for instance. gasoline for cars nothing. next in line is kerosene fare a plane followed by diesel the other main fuel for cars and trucks next come domestic heating fuel for generators and basically oil and finally the heavy fuels . the oil trading companies buy these heavy fuels at low prices then just like in a kitchen recipe they add components. to create the highest possible quantity of fuel at the lowest possible price a fuel type just on the legal limit in other words a very low so called africa. there are so many. questions we went to look for answers in the oil have known as the are