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第一篇
Motoring Technology
million road deaths worldwide occur each year, plus a further 50 million injuries. To reduce car crash rate, much research now is focused on safety and new fuels _____ though some electric vehicle and biofuel1 research aims at going faster.
Travelling at speed has always been risky. One cutting edge area2 of research in motoring safety is the use of digital in-car assistants3. They can ensure you don't miss crucial road signs or fall asleep. The use of artificial intelligence software allows these assistants to monitor your driving and makes sure your phone or radio doesn't distract you at a vital moment., Most crashes result from human and not mechanical faults.
Some safety developments aim to improve your vision. Radar can spot4 obstacles in fog, while other technology "sees through" high-sided5 vehicles blocking your view6.
And improvements to seat belts, pedal controls and tyres are making driving smoother and safer. The colour of a car has been found to be linked with safety, as have, less, surprisingly, size and shape7.
And alternatives to fossil-fuel8 based petrol, Such as plant oils , are a hot area of research. Fuel cells9 based on hydrogen burn cleanly, and are the subject of a serious research effort.
But whatever is in the f