Percentage of the U.S. corn crop used in recent years to produce ethanol has to be given. Concept introduction: Biofuel: The fuels like ethanol and biodiesel are examples for biofuels. They are produced from biomass materials. Biofuels decreases the use of fossil fuels which emits green-house gases and also greater benefits will be there if cleaner feedstocks are used.

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Chapter 11.13, Problem 11.38YT

(a)

Interpretation Introduction

Interpretation:

Percentage of the U.S. corn crop used in recent years to produce ethanol has to be given.

Concept introduction:

Biofuel:

The fuels like ethanol and biodiesel are examples for biofuels. They are produced from biomass materials.

Biofuels decreases the use of fossil fuels which emits green-house gases and also greater benefits will be there if cleaner feedstocks are used.

(b)

Interpretation Introduction

Interpretation:

Amount of corn (in million tons ) that requires to produce 36 billion gallons of biofuels by 2022 has to be given.

Concept introduction:

Biofuel:

The fuels like ethanol and biodiesel are examples for biofuels. They are produced from biomass materials.

Biofuels decreases the use of fossil fuels which emits green-house gases and also greater benefits will be there if cleaner feedstocks are used.

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