The delicate, single-seat plane cruises around 40 miles per hour and can't fly through clouds.

WSJ: Solar plane plans stops in Phoenix, Dallas, NYC

The hummingbird drone is small enough to sit on a pencil and can fly at 11 miles per hour.

FORBES: Strong Grid: Are Radical Robotics the Secret Ingredient?

This means I can fly 170 nautical miles per hour on 14 gallons per hour instead of going a slightly faster 180nmph on 18gph.

FORBES: Green Greens versus Red Greens

Business travelers pay more than twice as much per mile, on average, to fly from New York to London as they do from New York to Los Angeles, according to Topaz.

WSJ: Decoding Airline Ticket Costs

Thirteen teams are competing to build a plane that can fly at least 100 miles per hour and achieve the equivalent energy efficiency of 200 miles per gallon of fuel on a 200-mile flight.

FORBES: Google Pushes Electric Planes In Green Flight Challenge

Most airlines fly aircraft for ten to eleven hours per day.

FORBES: Spirit Airlines: We Board an A320 in 20 Minutes

It cruises at 180 nautical miles per hour (207 mph) but is also easy to fly, and especially easy to land.

FORBES: I Love Jets

And his fly balls are unlikely to find the seats, with only 0.46 homers per nine innings, which ranks sixth.

WSJ: Kuroda Could Be the Ace on Most AL Teams

If you fly over 100-150 hours, you may want to consider whole ownership, as the cost per hour can be competitive with other options.

FORBES: What's the Best Jet for You? (Part 2)