Category Archives: Vehicles

Emissions from vehicles with Euro VI/6-technology

Modern gasoline-fueled personal cars with direct-injection technology exhibiting high emissions of nitrogen oxides  in new laboratory tests. Researchers at Institute of Transport Economics in Norway (TØI) and VTT in Finland have tested various vehicles by applying test-cycles which represent...

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How can high levels of particles in tunnels be reduced?

Traffic jam in a road tunnel.
A new study from the National Road and Transport Research Institute (VTI) demonstrates that older types of trains produce more particulate emissions in railroad tunnels than do newer ones. Dust binding, improved paving, and reduced studded tyre use could reduce coarse particle levels in road...

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Winter Tyres: Small Differences in Grip

Researchers at the Swedish Road and Transport Research Institute (VTI) have studied how grip on wet asphalt under winter conditions deteriorates with the age and wear of different types of winter tyres. “We focused in particular on comparing studded and non-studded winter tyres in the...

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More Service Workers will Drive Electric

Adoption of electric vehicles among crafts- and service enterprises in Norway is currently low, but there seems to be a strong interest for a wider use in the future. In Norway generous incentives have created one of the largest market for electric utility vehicles (EUVs) in the world....

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Active Driving Style Reduces Risk of ATV Rollover

According to earlier research, rollovers are a type of accident that often has severe consequences for ATV drivers. A recently published VTI study demonstrates that an active driving style is needed to drive an ATV safely, but that the requisite training is currently lacking. Researchers at...

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Motorcycle Safety – Updated Knowledge

Motorcycle
Among the most important risk factors for motorcyclists are high speed and young riders, while drunk riding is not a common problem. A new report contains updated versions of five chapters of the Handbook of Road Safety Measures about motorcycle safety. Literature studies were conducted with...

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Major European Project for Safer Cycling

Bicycle standing still.
More and more cyclists are dying or sustaining severe injuries in traffic. A major EU project is studying ways of facilitating the interaction between cyclists and drivers with the help of technical aids in order to reduce the risk of accidents. Cyclists, whose numbers have increased in...

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A Future Without Traffic Signals?

Traffic lights at intersection
Neither traffic signs nor traffic signals may be necessary if all vehicles are self-driving. But many questions remain as to what will be required in the future, which is why the Swedish National Road and Transport Research Institute (VTI), Linköping University (LiU), and the Royal Institute of...

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Electric Roads Now Being Tested in Real Traffic

Electric roads enable the transport sector to be powered by a broad green-energy base of wind, solar, and hydro power. Having stakeholders and policymakers with the courage to make the commitment, Sweden has an opportunity to be a trailblazer. Tests and demonstrations are underway in the Swedish...

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Major Test: What to Think About When Choosing Winter Tyres

Motorway covered in snow
A major debate is underway as to which winter tyres are best, studded or non-studded. But there is more to making a decision as a consumer than just that question. On ice and snow, non-studded tyres made for Nordic conditions differ greatly from those produced for Central European conditions....

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