Pagination for search results. This is the median price based on sales of this product in the same condition from all listings on ebay.com in the past 14 days, or if there are any insufficient number of listings for a meaningful calculation, the past 90 days.Top Rated Plus.Learn More.1  Sellers with highest buyer ratings.his is the median price based on sales of this product in the same condition from all listings on ebay.com in the past 14 days, or if there are any insufficient number of listings for a meaningful calculation, the past 90 days. Top Rated Plus. Learn More. 1  Sellers with highest buyer ratings.
The viscosity index of synthetic base oils is higher than that of conventional petroleum base oils. Pure, Uniform Molecules Form Strong, Stable Lubricants. Petroleum oils have molecular structures that are randomly organized and, consequently, have limited performance abilities.
It is better to use natural gas than crude oil because it is safer for our environment. Summary: 1. Crude oil and natural gas are fossil fuels that are used for heating. 2. Crude oil or petroleum consists of hydrocarbons and other organic compounds while natural gas consists mostly of methane and hydrocarbons or ethane. 3. Crude oil and natural gas are used for vehicles, but the demand for crude oil is greater than for natural gas because it is cheaper.