| − | '''Diesel''' is a type of fuel used in diesel engines. It is Heaver than regular unleaded gasoline and has a higher ignition point. Diesel is primarily derived from petroleum but is increasingly made from biological sources. Diesel engines are generally more fuel efficient and powerful than their unleaded counterparts, hence their use in military, construction, and heavy transportation equipment. | + | '''Diesel''' is a type of [[fuel]] used in diesel [[engines]]. It is heavier than regular unleaded [[gasoline]] and has a higher ignition point. Diesel is primarily derived from [[petroleum]] but is increasingly made from biological sources (biodiesel). Diesel engines are generally more fuel efficient and powerful than their unleaded gasoline counterparts, hence their use in [[military]], [[construction]], and heavy transportation equipment. |