Gas prices vs Oil price

Jim Rogers : Oil went down because a lot of people got margin calls and had to sell for various commodities and so on , when you get margin calls you dump everything inside that's why oil went down , why gas ? it's the beginning of the driving season and gasoline is refined oil and usually at this time of year gas prices go up because people start driving I do not know I have not been here but that's what I presume " in FOX Business News