Resource List: Trains, Planes, Automobiles, and Ships
- Most Popular International Car Colors, 2003?2004
- Most Expensive Cars, 2007
- World's 30 Busiest Airports by Passengers and Cargo, 2005
- Least and Most Polluting Cars, 2013
- Least and Most Polluting Cars, 2011
- Least and Most Polluting Cars, 2010
- Least and Most Polluting Cars, 2009
- Top-Selling Vehicles in the U.S., 2006
- Most Popular International Car Colors, 2005?2006
- Absolute World Records, Balloons
