Earth & Conservation

How Fuel Efficient Is An Airplane?

How much fuel does a 747 need to complete an international flight? How efficient are these aircraft? Join Cristen as she asks how much fuel an international flight actually uses.

How much fuel does a 747 need to complete an international flight? How efficient are these aircraft? Join Cristen as she asks how much fuel an international flight actually uses.

Whether the topic is popcorn or particle physics, you can count on the HowStuffWorks team to explore - and explain - the everyday science in the world around us on BrainStuff.