![](http://www.alamy.com/thumbs/6/D755A37D-7AB0-4940-A9C6-02D9988784F6/BC2HR0.jpg)
A propane natural gas pump at a San Diego filling station offers an alternative fuel for ecologically concerned motorists
Size: 3413px × 5120px
Location: San Diego california usa
Photo credit: © Spencer Grant / Art Directors / Alamy / Afripics
License: Licensed
Model Released: No
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