The famous Boeing 747, perhaps the most famous commercial aircraft in all of history, serves another purpose that only the global elite can enjoy: a jumbo private jet. While the 747 was originally ...

we can extrapolate that the fuel efficiency of this model is 0.117 mpg or 0.050 kpg. Next up, let's look at the 747-800 passenger variant. This was powered by four GE GEnx-2B engines, each of ...