Basics of Biofuel Advantages of Biofuels Disadvantages/Concerns of Biofuel How do Biofuels Work?
100
What is biofuel?
A renewable fuel derived from organic materials such as plants or animal waste, used as an alternative to fossil fuels.
100
What is one pro-environment property that biofuels have?
Biofuels are biodegradable; Biofuels create less greenhouse gas emissions
100
What is deforestation?
This environmental concern related to biofuels arises when large areas of land are cleared for their production.
100
What is fermentation?
This organic process, often conducted by microorganisms, transforms biological materials like plant sugars into biofuels.
200
What are ethanol fuel mixtures?
In the context of cars, E30 means that it accepts 30% blended bio-ethanol gasoline, a fuel mixture of 3:7 bio-ethanol to gasoline
200
What are some reasons why biofuels are cleaner than fossil fuels?
Biofuels have and use less carbon; Biofuels are carbon neutral; Biofuels produce fewer air pollutants when combusted.
200
What is the competition with food crops?
One of the drawbacks of using biofuels is that they can compete with this vital global resource, leading to increased food prices.
200
What is hydrolysis?
In the production of biofuels, this chemical process is used to break down complex organic molecules into simpler compounds that can be further converted into biofuels.
300
What are 1st, 2nd, 3rd, and 4th generation biofuels?
Different kinds of biofuels that are categorized by energy efficiency, cost, waste, etc. in 4 tiers/generations.
300
What impact do biofuels have on economies?
Biofuel and related industries create jobs, reduce energy imports, diversify energy sources, and provide rural development.
300
What is the problem of land-use change?
When biofuels are produced from certain crops like corn or sugarcane, this issue can occur, where valuable farmland is diverted from food production to fuel production.
300
What is biodiesel?
This biofuel is more combustible, contains less carbon, is sourced from animal and plant esters, and has a lower energy density than its fossil fuel equivalent.






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