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Category Archives: Energy and Fuel
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...
Most tunnels rely on a complex web of power cables feeding electricity from distant energy sources to power light fixtures mounted in the ceiling. At the same time the tunnels are surrounded by daylight. A new pilot project at the Norwegian Public Roads Administration (NPRA) aims to challenge this...
The Norwegian Parliaments target to reduce new passenger vehicles average CO2-emission to 85 g/km (type-approval value) in 2020, can be achieved by reforms in the vehicle registration tax. In three out of four scenarios, described in this report from Institute of Transport Economics, the...