Biofuels

Consider the following pairs with reference to the categories of biofuels:

  1. First Generation Biodiesel: produced from sugar, starch, vegetable oil
  2. Second Generation Biofuels: produced from non-food crops
  3. Third Generation Biofuels: require cultivable/arable land for production
  4. Fourth Generation Biofuels: crops are genetically engineered to take in high amounts of carbon

Which of the pair(s) is/are correct?

A
1, 2 and 3
B
2, 3 and 4
C
1,2 and 4
D
1, 2, 3 and 4
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