Category Archives: Energy and Fuel

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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Fossil-free fuels make a clear leap forward

Each year the Swedish National Road and Transport Research Institute (VTI) organizes the Nordic region’s largest annual conference for the transport sector. For three years running there has been a session on Transportforum dealing with the development of new infrastructure for the fossil-free...

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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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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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New Diesel Buses Pollute Less Than New Diesel Cars

The NOx-emissions from a new diesel bus or diesel truck are just one-third as much as from a new diesel passenger car. New emission standards and new technology is changing the image of which vehicles that pollute most in urban traffic. From 2015 EURO 6 emission standards where introduced for...

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Norwegian Electric Vehicle Owners – Who Are They?

EV parked on a square
Norwegian authorities have introduced a number of incentives for EV diffusion, in order to support a transition to environmentally friendly transport. As a result, Norway has become the country with the highest number of electric cars in the world per capita. But who are they, these EV-owners? And...

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Conference: Breakthrough for Electric Vehicles

Compett project image
Breakthrough for Electric vehicles! – Learnings from a European full-scale laboratory. International Conference in Oslo, Norway 11-12 June 2015. Electric vehicles (EVs) are a hot issue in Europe among transport policy makers, manufacturers and users. In Norway generous incentives have...

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Electric Roads: a Solution for the Future

Simulation of electrified roads
In several years we will need to rely on something other than fossil fuels for our transport needs. One possible alternative is for our vehicles to run on electricity supplied along the road. In autumn 2014, VTI partnered with the Swedish Transport Administration and Viktoria Swedish ICT to test...

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Norway’s Path to Sustainable Transport

Illustration of a "green" car
Thanks to the substantial purchase tax levied on new passenger cars, the Norwegian government has a quite powerful climate policy instrument at its hand. Continued application of this instrument may halve the greenhouse gas emissions from Norwegian cars within two or three decades. On...

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Coolant Best for Engine Heating

A car stuck in snow
A limited pilot study conducted at VTI shows that engine heating is more fuel efficient via coolant than via lubricant. Cold starting a motor vehicle results in higher fuel consumption and more emissions than if the engine is started when hot. Engines have traditionally been pre-heated by...

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