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A pivot doesn't have to be a change in business model.

Airlines are rushing to adapt to rising fuel costs, but most efficiency gains have already been made. If gas prices continue to rise, it may require a full rethinking of how we fly

* Airlines ground flights to Argentine, Uruguay airports * Chilean volcano has been erupting since June 4 [More]

TripIt continues to lead the pack in organizing travel itineraries. By pulling all of your plans together in one place and making them accessible across all your devices, TripIt is a complete solution. Purchased by popular corporate travel site Concur in January for $120 million, it only continues to improve.

Airfarewatchdog is one of the best websites to filter through the madness and get the best deals on your next business trip. Booking air travel on the Internet used to be a simplified process. You went to Travelocity, Expedia, or relied on your internal business travel coordinators to set it all up.

Illustrations by Catalogtree One new hub of global air travel is in the Middle East.