Honda Lays Groundwork for Wireless Charging Roads That Power EVs on the Move

Honda R&D has finished the foundational engineering for a road that charges electric vehicles while they drive — and the plan is to test it on real Japanese streets within two years.

The work was done alongside construction firm Taisei and its road-technology subsidiary Taisei Rotec. Together the three companies have assembled a magnetic coupling wireless power transfer (WPT) setup, a system the partners say can serve not just passenger cars but heavy commercial trucks as well.

Public-road trials are slated for 2027 in Japan, according to the announcement.

Who Brings What to the Road

The project splits neatly into three technical lanes:

• Honda R&D: high power-density receiver and transmitter hardware built to work off DC power distribution
• Taisei: the DC power supply system feeding the infrastructure
• Taisei Rotec: the engineering needed to bury the gear safely inside the road surface itself

That last piece is the unglamorous part that decides whether the idea ever leaves the lab. Coils under asphalt have to survive weather, axle loads and everything else a highway throws at them.

The history matters here too. Honda has been chasing dynamic wireless power transfer (DWPT) since 2021, but the three-way research push with Taisei and Taisei Rotec only kicked off in 2025. So the timeline from first sketches to public asphalt is unusually tight.

Why Trucks Come First

Honda isn’t pitching this at commuters. The first practical target is logistics and transportation, where fixed routes, high daily mileage and tight operating margins make the economics of dynamic charging easier to justify.

A delivery or freight fleet running the same corridor every day is a far better customer than a driver whose route changes hourly. Range anxiety also bites hardest in commercial work, where downtime is lost money.

Honda has said little about charging rates, efficiency losses or what the embedded hardware costs per kilometer of road. Those numbers will decide practically everything. A wireless system that wastes energy in the air gap is a hard sell, no matter how convenient it feels.

Still, the direction of travel is clear. If the 2027 demonstration goes well, the question stops being whether in-motion charging works and becomes who pays to retrofit the first stretches of highway.