A woman and her son sit inside the capsule of an electric tricycle as they drive along a main road in central Beijing in this 2012 photo.
A worker test drives a car in the shape of a high-heeled shoe on a road in the southern Indian city of Hyderabad in this 2012 photo. The shoe is part of a series of creations by Indian car designer Sudhakar Yadav and the car can run at a maximum speed of 28 mph.
Guo, a farmer in his 50s, drives his home-made scale replica of a Lamborghini with his grandson on a street in Zhengzhou, Henan province in 2014. Guo spent 6 months and about $821 to make the car as a toy for his grandson. The replica, mainly made of scrapped metals and parts from electricity bicycles, bears five sets of batteries and can travel as far as 37 miles when fully charged.
Bosnian pensioner Momir Bojic drives his wooden Volkswagen Beetle car in Celinac, near Banja Luka in this 2014 photo. Bojic, 71, an avid Volkswagen fan, created the car from over 50,000 separate pieces of oak and took two years to complete it.
Yuan Jingying, drives his home-made vehicle in the shape of helicopter along a road in Zhengzhou, Henan province on April 21. Yuan, a retired engineer, spent five years making the 12.5-meter-long, 2.8-meter-high vehicle and hopes to drive his mother around China with his "helicopter" someday, according to local media.
Biological analyst Alan Dowden of the Seattle Sperm Bank rides the Sperm Bike, a custom-designed, high-tech bicycle used to deliver donated sperm to fertility clinics, in Seattle in this 2011 photo.
Eric Tan, one of the students who designed and constructed the first Philippine solar-powered car, drives past vehicles along a street in Manila in this 2007 photo.
Artist Roongrojna Sangwongprisarn inflates the rear tyre of a motorcycle made from recycled materials of spare parts from cars and bicycles at a workshop in Bangkok in 2011. Roongrojna, 54, exports his artworks to clients all over the world.
A customized Soviet-era Volga GAZ-21 vintage car covered by artificial grass, advertising for a dairy store, is seen in a parking spot in St. Petersburg in 2013.
Villagers look on as a home-made armored vehicle, built by local 35-year-old farmer Liu Shijie (in the vehicle), drives on a dirt road at a village in Huaibei, Anhui province April 7. It took Liu about six months and more than $4,850 to make the vehicle from steel plates he purchased and pieces of a dismantled agricultural car, local media reported.
A car sits on the street with a garden growing where the engine should be in Vancouver, British Columbia in this 2010 photo. The car is part of a program called The Stick Shift Project which is part of a collaborative urban transformation in which four cars have had their engines removed and a small garden planted.
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