Cellulosic Ethanol

What is the main environmental advantage of cellulosic ethanol regarding carbon emissions?

• A) It produces no carbon dioxide

• B) It creates a balanced carbon cycle by only releasing recently absorbed CO₂

• C) It permanently stores carbon

• D) It produces more CO₂ but less methane

How does cellulosic ethanol production differ from traditional ethanol production?

• A) It uses more water

• B) It uses coal instead of plant matter

• C) It uses inedible plant parts and waste materials instead of food crops

• D) It requires less processing

Which of the following is NOT a source material for cellulosic ethanol?

• Corn stalks

• Wheat straw

• Corn kernels

• Forest residues

What waste reduction benefit does cellulosic ethanol provide?

• A) It reduces electronic waste

• B) It transforms agricultural and forestry waste into valuable fuel

• C) It eliminates plastic pollution

• D) It reduces water waste

What is one health benefit of cellulosic ethanol compared to gasoline?

• A) It produces fewer harmful pollutants including lower carbon monoxide

• B) It reduces allergies

• C) It improves air quality in indoor spaces

• D) It eliminates all air pollution

What economic issue does traditional ethanol create that cellulosic ethanol avoids?

• A) Higher transportation costs

• B) Lower farm profits

• C) Increased food prices

• D) Reduced employment opportunities

What technical process is required for cellulosic ethanol production?

• A) Nuclear fusion

• B) Breaking down tough plant fibers into simple sugars

• C) Genetic modification of bacteria

• D) Cryogenic freezing

What is one reason cellulosic ethanol is considered sustainable?

• A) It requires less sunlight than solar power

• B) Plants for new fuel can be continuously grown

• C) It works during nighttime

• D) It doesn't require any energy input

Cellulosic ethanol competes with food production for farmland.

• True

• False

According to NASA , the Earth was about 2.45 degrees Fahrenheit warmer in 2024 than in the late 19th-century preindustrial times.

• True

• False