11.   Additionally, the airlines are paying less, adjusted for inflation, for fuel than at any time in the four decades of jet travel.

12.   British Airways and Air France have designed their Concorde services so passengers can avoid the increasingly common hassles of modern jet travel.

13.   But customers used it to prevent the flaking that jet travel can produce.

14.   But Holcombe and other representatives of private jet travel contend that price should not be a consideration.

15.   But with the advent of jet travel, companies had to do something with those now-empty ships.

16.   Commercial jet travel began about the same time, Cooke said.

17.   Commercial jet travel came along about the same time, Cooke said.

18.   In an era of jet travel, an exotic disease can emerge from a remote area of the world to produce an epidemic and panic in any country.

19.   In this era of jet travel, planes fly faster than the time it takes for a newly exposed individual to become ill.

20.   Its loss would divert high-end corporate travelers to other airlines, notably in the United States, or to corporate jet travel.