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Biofuels


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A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.

Biofuels
How plant materials can be converted into biofuels?
Evaluate the economic, ethical and environmental issues around biofuels.

Fossil Fuels are made from dead plants and animals. The energy comes from the sunlight trapped by the plants.
Biofuels are made from two main sources:
1. vegetable oil (eg. sunflower)
2. ethanol (sugar cane)

Vegetable oil or ethanol can be blended with petrol and diesel and burned in vehicles. This means less petrol or diesel is needed.



Biofuels and bioprospecting
Biofuels can provide energy without the reliance on environmentally harmful fossils fuels -- but scientists are still searching for a plentiful source. Cellulose, the naturally abundant tough walls of plant cells, might be the solution.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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