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16.04.2018

World's first electrified road for charging vehicles opens in Sweden

Stretch of road outside Stockholm transfers energy from two tracks of rail in the road, recharging the batteries of electric cars and trucks
The world’s first electrified road that recharges the batteries of cars and trucks driving on it has been opened in Sweden.
About 2km (1.2 miles) of electric rail has been embedded in a public road near Stockholm, but the government’s roads agency has already drafted a national map for future expansion.
Sweden’s target of achieving independence from fossil fuel by 2030 requires a 70% reduction in the transport sector.
The technology behind the electrification of the road linking Stockholm Arlanda airport to a logistics site outside the capital city aims to solve the thorny problems of keeping electric vehicles charged, and the manufacture of their batteries affordable.
Energy is transferred from two tracks of rail in the road via a movable arm attached to the bottom of a vehicle. The design is not dissimilar to that of a Scalextric track, although should the vehicle overtake, the arm is automatically disconnected.
The electrified road is divided into 50m sections, with an individual section powered only when a vehicle is above it.
When a vehicle stops, the current is disconnected. The system is able to calculate the vehicle’s energy consumption, which enables electricity costs to be debited per vehicle and user.
The “dynamic charging” – as opposed to the use of roadside charging posts – means the vehicle’s batteries can be smaller, along with their manufacturing costs.
A former diesel-fuelled truck owned by the logistics firm, PostNord, is the first to use the road.
Hans Säll, chief executive of the eRoadArlanda consortium behind the project, said both current vehicles and roadways could be adapted to take advantage of the technology.
In Sweden there are roughly half a million kilometres of roadway, of which 20,000km are highways, Säll said.
“If we electrify 20,000km of highways that will definitely be be enough,” he added. “The distance between two highways is never more than 45km and electric cars can already travel that distance without needing to be recharged. Some believe it would be enough to electrify 5,000km.”
Recource: https://www.theguardian.com/environment/2018/apr/12/worlds-first-electrified-road-for-charging-vehicles-opens-in-sweden
Comment from the IC Ecoestate™
In its project the preliminary title «Pushkin-ECOGRAD»; know-how in the field of ecology, we paid much attention. IC Ecoestate in close cooperation with Russian and foreign professionals and enthusiasts of eco-development, business, academia and public organizations, active citizens and responsible government officials is planning to develop the concept and give an impetus for complex eco-development of a small Russian town.

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