Reigning four-wheeled Dakar champion Stephane Peterhansel is the favourite to win the event.
Also with three wheels, the pedal-powered bici-taxis are usually cheaper, and often more comfortable, than their four-wheeled motorized cousins.
New resorts at Ponta do Ouro and Zongoene, where tourists scuba-dive and race four-wheeled motorbikes across sand dunes, are prospering.
Attendees were encouraged to bring their kids, and a lot of them were running around begging rides on the new four-wheeled Segway.
It's a four-wheeled contraption with a giant bucket up front that scoops and lifts dirt so it can be carted away in a dump truck.
This thing is a four-wheeled Ducati with a decent windscreen.
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Today, even the fastest of fast four-wheeled machines only connect to the world at large over 3G, another sign of the auto industry struggling to keep up with the world of consumer electronics.
It was a four-wheeled celebration that arrived at the field, usually in the middle innings, and it sat there for the rest of the game, playing its creepy-happy little ice-cream-truck song, taunting you.
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Although the races attract hundreds of thousands of spectators, most of them snatch only brief glimpses of the noisy four-wheeled inverted aeroplanes scudding around the tarmac, their aerofoils upside down to glue them to the track rather than lift them off a runway.
Four archivists wheeled them into a room of wood-topped tables.
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It was the pupils, aged between four and nine, who prompted the idea of two-wheeled transport.
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