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Aviation Then and Now
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Did Virgin Atlantic’s first biofuel flight carry passengers?
 
No, only pilots and technicians
 
Yes, 171 passengers
What does the phrase “in the early stages of development” imply about aviation biofuels?
 
They are new and still improving
 
They are more popular than conventional fuels
What does the text suggest about the future of aviation biofuels?
 
They may eventually become normal for all planes
 
They will never be used widely
Why was Virgin Atlantic’s 2008 flight significant?
 
It was the first flight partly powered by biofuel
 
It was the first flight to use only biofuel
Why might algae become the main source of biofuel in the future?
 
It is likely more efficient or sustainable than oils
 
It is easier to transport than oil
How many planes used biofuels during the 2014 FIFA World Cup in Brazil?
 
200
 
100
What type of biofuel was used on the first KLM commercial biofuel flight?
 
Used cooking oil
 
coconut oil
Which airline flew the world’s first commercial biofuel flight with passengers?
 
KLM
 
Virgin Atlantic
When were biofuels approved for use on commercial passenger flights?
 
2011
 
2008
 
2014
What is a biofuel?
 
A fuel produced from living matter
 
A fuel made only from petroleum
What is the predicted percentage of COâ‚‚ emissions from airlines by 2050?
 
3%
 
4%
1. What percentage of the world’s carbon dioxide emissions are airlines currently responsible for?
 
2%
 
3%
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