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Energy Alternatives to Petroleum


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									Energy Alternatives to Petroleum
Part D: Your Book Chapter 4

1. Why must we be looking for alternative fuel sources?  Eventually we are going to run out of petroleum

Energy: past, present, and future
2. What is our planet’s primary energy source?  The sun 3. What is stored solar energy?  Plants take solar energy and make biomolecules of them

4. Why are biomolecules so important?  They have been our chief source of energy for most of human history 5. What are some examples of these biomolecules?  Wood, coal, and petroleum

6. Up until 1850, what were our chief sources of power?  Wood, animal power, wind, and water 7. What changed in 1850?  Start of the industrial revolution  Do Building Skills 8

Alternative Energy Sources
8. How much of our country’s petroleum is used for transportation?  60% 9. What is one promising alternatives to petroleum from oil?  Use of tar sands and oil shale rock

10. What is the advantage to shale rock?  When heated, it contains kerogen which decomposes into something similar to crude oil 11. What are the disadvantages of shale rock?  Vast quantities must be used, takes about a half a barrel of oil to produce 1 barrel of shale oil

13. What is another great source of oil?  Converting coal into liquid fuel 14. What is the advantage to using coal?  We have more coal than oil 15. What is the disadvantage to using coal?  It is more expensive to process than oil

16. What are some other alternatives?  Plants that make hydrocarbons instead of carbohydrates  Hydropower  Nuclear fission and fusion  Wind energy  Geothermal energy  biomass

Alternative Fuel Vehicles
17. What are the four types of alternative fuel vehicles?  Compressed Natural Gas  Electric  Fuel Cells  Hybrid Gasoline-Electric

18. What are compressed natural gas vehicles? Advantages? Disadvantages?  Vehicles that run on methane  One tank can take you 300 miles  80% decrease in CO and NOx emissions  Refueling requires a compressor which increases the cost of car anywhere between $2000- and $4000

19, What are electric vehicles? Advantages? Disadvantages?  Energy from a battery pack  Recharged with electricity at 120 or 240 V  Can travel more than 100 miles on a 8 hour charge  Do not require petroleum fuels  Maintenance cost lower  Produce no direct emissions  More expensive than tradition car  Power companies still need to burn fuel

20. What are Fuel Cell vehicles? Advantages? Disadvantages?  Converts H2 fuel and O2 for air into electrical energy and water  Require no electrical recharging  No pollutants  Problems with fuel handling  Very expensive manufacturing costs

21. What are Hybrid Gas Electric vehicles? Advantages? Disadvantages?  Small gas burning engine and a battery driven electric motor  Batteries recharge while driving by converting braking friction into electricity  70 mpg and can travel 200 miles between fueling stops  Reduces emissions significantly

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