Multimedia Gallery
January 24, 2008
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
This scene from a parking lot in China drives home the growing popularity of e-bikes.
This scene from a parking lot in China drives home the growing popularity of e-bikes.
Credit: Christopher Cherry, University of Tennessee
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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Related story: 40 Million Electric Bikes Spark Environmental Dilemma in China