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Aviation Then and Now

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  • How many planes used biofuels during the 2014 FIFA World Cup in Brazil?
    100
    200
  • 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
  • Which airline flew the world’s first commercial biofuel flight with passengers?
    KLM
    Virgin Atlantic
  • What does the text suggest about the future of aviation biofuels?
    They will never be used widely
    They may eventually become normal for all planes
  • What is a biofuel?
    A fuel produced from living matter
    A fuel made only from petroleum
  • Did Virgin Atlantic’s first biofuel flight carry passengers?
    No, only pilots and technicians
    Yes, 171 passengers
  • When were biofuels approved for use on commercial passenger flights?
    2011
    2014
    2008
  • 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
  • What is the predicted percentage of CO₂ emissions from airlines by 2050?
    3%
    4%
  • What type of biofuel was used on the first KLM commercial biofuel flight?
    coconut oil
    Used cooking oil
  • 1. What percentage of the world’s carbon dioxide emissions are airlines currently responsible for?
    2%
    3%
  • 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
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