1. Energy Resources and Fossil Fuels
Nonrenewable Energy
Energy Resources and Fossil Fuels

2. Fuels for Different Purposes
Fossil fuels- Remains of ancient organisms that changed into coal, oil, or natural gas.
Four main purposes:
Transportation
Manufacturing
Heating and cooling
Generating electricity
Two main problems:
Limited supply
Environmental consequences

3. Electricity- Power on Demand
Convenient
Transports quickly across great distances
Disadvantages:
Difficult to store
Must generate from other energy sources
Electric generator- Converts mechanical energy (motion) into electrical energy.
Turbine- Wheel that changes the force of a moving gas or liquid into energy that can do the work.

4. Coal-Fired Power Plant

5. Energy Use
Dramatic differences in fuel use and efficiency throughout the world
U.S. uses more energy per person than any other countries in the world except Canada and the United Arab Emirates.

6. Energy Use #1 use in United States- Industrial use
#2 use in U.S.-Transportation
Japan and Switzerland-
Extensive rail systems
Hydroelectric and nuclear power

7. Energy-rich molecules in porous rock formations
Fossil Fuel Deposits
Oil and Natural Gas Formation-
Decay of tiny marine organisms causes heat
Sediment cover causes pressure
Energy-rich molecules in porous rock formations
Coal Formation-
Decay of swamp plants
Oceans rose and covered with sediment
Heat and pressure caused coal to form

8. Fossil Fuel Deposits of United States

9. Energy Production by Source

10. Coal Most of world’s fossil fuel reserves
Asia and North America- rich in coal
Disadvantages:
Top-mining coal damages surface
Toxic waste
Air pollution- Sulfur dioxide produces acid rain
Advantages:
Relatively inexpensive
Needs little refining after it’s mined

11. Electricity Generation in the United States

12. Petroleum Pumped from the ground, a.k.a. crude oil.
Petroleum products- anything made from crude oil
45% of world’s commercial energy use
Trapped in folds, faults, and salt domes which; bound by impermeable layers of rock

13. Environmental Effects
Oil spills
Leaking vehicles
Release of pollutants when burned
Carbon dioxide- Global warming
Sulfur dioxide- Acid rain
Smog

14. Natural Gas 20 % of world’s nonrenewable energy Methane, CH4
Fewer pollutants when burned
Can be used to generate electricity

15. Fossil Fuels and the Future
90 % of energy used in developed countries
Demand to double by 2050
Costs will likely increase
Oil reserves- Oil deposits that can be extracted profitably at current prices using current technology.
Cost of obtaining influences extraction
More under ocean
Difficult to drill
Expensive

16. Oil Production