Mike suggests they begin their presentation by
explaining what kind of harm is caused by fossil fuels.
pointing out biofuels were in use before fossil fuels.
ensuring students know the difference between fossil fuels and biofuels.
Karina doesn't want to discuss the production of ethanol because
other students will already be familiar with the process.
there will not be time to cove more important information.
they may not provide an accurate description.
Which source of biofuel do the students agree is least environmentally friendly?
What is main problem facing the development of the biofuel industry in the USA?
inadequate infrastructure for transporting ethanol
not enough farmers growing biofuel crops
little government support of biofuel development
Karina doubts that sugar cane production in Brazil will
lead to the loss of wildlife habitats.
create a large number of jobs of biofuel sector.
continue to provide enough energy for the countrys need.
Karina and Mike conclude that in order to increase the use of biofuels
the price of fossil fuels must go up.
more machinery must be adapted to use them.
production methods must be more energy-efficient.
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