1st generation biofuels Flashcards

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1
Q

Two types of 1st generation biofuels:

  • Biodiesel can be made from……..
  • Bioethanol can be made from
A
  • rapeseed, sunflower or soybean oil

- plants such as sugarcane, sugar beet a cereal crops (wheat, maize etc.)

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2
Q

Give 1 general argument for and 1 general argument against 1st gen biofuels

A

For - reduces greenhouse gases?

Against - damages the environment in other ways

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3
Q

Are 1st generation biofuels sustainable?

Give the 3 overarching reasons why

A

No

  • Environmental damage
  • Displacement of subsistence farmers
  • Cost of food
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4
Q

How do 1st gen biofuels impact the environment and carbon footprint?

A

Deforestation of tropical rainforests to grow biofuel crops means some crops have a higher carbon footprint than fossil fuels.

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5
Q

……..… produces 105g of CO2 per mega joule of energy

A

Palm Oil

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6
Q

Soy bean produces ………. of CO2 per mega joule of energy

A

103g

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7
Q

Why is cost of food increasing as a result of biofuel crops?

A
  • Grain is being used for biofuels rather than food

and less land is being used to grow food crops so food prices are increasing.

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8
Q

Fill in the Gaps:

In …….. world grain consumption for biofuels was ……..

by ……… this ……….. to ………

A

2000
1%

2010
increased
6%

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9
Q

Food prices have ………… between …….. and ……..

A

doubled
1990
2010

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10
Q

How many countries are growing biofuel crops in Africa?

A

30

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11
Q

How are biofuels impacting subsistence farmers in Ethiopia?

A

Government want to open land to foreign biofuel investors, threatening 85% of the population who are subsistence farmers.

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12
Q

In which country has 18% of the land been cleared for biofuels?

A

Indonesia

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13
Q

What are the environmental issues in Indonesia?

A
  • Land being cleared for palm oil

- Species like the Orangutan are at risk of extinction

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14
Q

Give the name of a 1st generation biofuel that is potentially a more sustainable solution

A

Jatropha

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15
Q

Give 4 benefits of Jatropha

A
  • Can be planted on most types of land so less land cleared, putting fewer species at risk
  • Provides jobs
  • Works alongside food production so food supply not limited and food costs not increasing
  • It can be used to generate energy, which can be exported and/or the countries it is growing in can be self-sufficient.
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