III. Petrol and Natural gas

A. Petroleum 1. Liquid fossil fuel from organisms living in shallow seas 2. Seeps into cracks and covered by rock 3. Pressure build, when drilled released in a gusher a. No pressure it must be pumped

4. Makes gasoline, diesel, grease, asphalt, etc. 5. Takes millions of years to form so it is not renewable

B. Natural Gas 1. Mixture of methane, ethane, and propane, with hydrogen sulfide, carbon dioxide, nitrogen, and helium 2. Chinese used bamboo to draw it to the surface 2,000 years ago 3. First used to light cities in Genoa, Italy in 1802 4. Used in homes and in industry

5. Provides heat without having to be 5. Provides heat without having to be converted to electricity = cheaper 6. Sometimes viewed as a waste in petroleum drilling a. Burned off in fire towers 7. Simplest form of hydrocarbon meaning it is very clean burning