While quick charging technology installed at strategic points along a planned route might be a good fit for inner city buses, it's not going to be of much use to electric vehicles that stop infrequently. Volvo sees our future long-haul trucks and buses drawing the juice they need from the road itself, making large onboard batteries a thing of the past.


Along with power generation and transport firm Alstrom, the company has constructed a 400 meter (1,312 ft) -long track at a facility in Hällered near Gothenburg, to test a truck fitted with a special collector that draws its power from rails installed into the surface of the road. It's an adaptation of technology that's been successfully used to supply electricity to trams in several cities around the world since 2003, and could help reduce an electric vehicle's dependence on big battery banks.

The two power rails/lines run along the road's entire length. One is a positive pole, and the other is used to return the current. The lines are sectioned so that live current is only delivered to a collector mounted at the rear of, or under, the truck if an appropriate signal is detected. As an additional safety measure, the current flows only when the vehicle is moving at speeds greater than 60 km/h (37 mph).



"The vehicle is equipped with a radio emitter, which the road segments can sense," explains Volvo's Per-Martin Johnansson. "If an electric vehicle passes a road segment with a proper encrypted signal, then the road will energize the segments that sense the vehicle."

Is this is a project plan for India, i dont think so it must be somewhere in us, uk.

Looking little complicated and little hard to imagine its practical implementation but yes still a good stuff. I remember there are also ongoing research for using roads to produce electricity created from friction by vehicles running on the road.

By the way, how you will make sure that vehicle will run in particular lane and or to be precise..over a few foot broad strip only when people have hard time to maintain lane..

Sounds.. too much optimistic..