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Earth

2010 preview: Automotive X Prize contestants power up

From May, more than 40 teams will compete for a share of a $10 million prize for the most efficient car that could be mass-produced

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Diligent diabetes control increases crash risk

Technology

Radiator roads too hot for ice to handle

Technology

The race to build a 1000 mph car

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Spy-in-the-cab could improve teenage driving

Technology

Robot driving companion brings emotion to navigation

Technology

Clever ‘chopped’ cars promise cheap electric commuting

Technology

Augmented reality system lets you see through walls

Earth

Follow the roads if you want to look for America

Earth

Better world: Move to the city

To many, going green means moving to the countryside. To reduce your carbon footprint, though, you'd be better off cultivating an urban idyll

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Satnav means you won’t touch that dial

Physics

Soap bubbles to take the drag out of future cars

Earth

Roads are ruining the rainforests

Technology

Steam-powered car breaks century-old speed record