The Indiana Department of Transportation (INDOT), Purdue University, and German startup Magment GmbH have announced the plans to develop the world’s first contactless wireless-charging concrete pavement highway segment. The project will use innovative magnetizable concrete, enabling wireless charging of electric vehicles as they drive.

The project will progress in three primary stages. The two first phases will feature pavement testing, analysis, and optimization research conducted by the Joint Transportation Research Program (JTRP) at Purdue’s West Lafayette campus. In the third phase, INDOT will construct a quarter-mile-long testbed at a location yet to be determined. There, the engineers will test the innovative concrete’s capacity to charge heavy trucks operation at high power (200 kilowatts and above).

Once the testing of all three phases has been successfully completed, INDOT will use the new technology to electrify a yet-to-be-determined segment of the interstate highway within Indiana.

Skycharge, developed by Green Motion and Pipistrel, has recently been approved by the European Aviation Safety Agency (EASA) as the world’s first OEM-independent electric aircraft charging station.

Pipistrel’s Velis Electro aircraft had already become the first electric aircraft to receive a type certificate from EASA in June last year. The approval of Skycharge is another important milestone on the way to environmentally sustainable aviation.

Skycharge is based on Eaton’s proprietary DC charging technology. The charging infrastructure for electric aircraft and eVTOL (electric Vertical Takeoff and Landing) aircraft offers exceptional conversion efficiency (over 96%), compactness and power density.

Magnets, typically using rare earth metals like neodymium, are found at the heart of most electric vehicle motors. It’s nice to have a permanent source of powerful rare earth magnetism in your rotor, because using powered coils instead means you have to somehow transfer electricity from the battery through to the coils in a spinning rotor. That means you’ll need a sliding point of contact, and sliding points of contact develop wear and tear over time.

Permanent magnets, though, come with their own baggage. Ninety seven percent of the world’s rare earth metal supply comes out of China, and state control over such a crucial resource across a number of high-tech industries has been a serious issue in the past. Official accounts differ about why China decided to restrict rare earth exports back at the start of the decade, as official accounts tend to do, but the result either way was a 750-percent leap in neodymium prices and a 2,000-percent leap in dysprosium prices.

Could these metals be produced elsewhere? Yes. They’re not as rare as the name might suggest. But wherever they’re mined, the only way to economically turn them into magnets is to send them to China for processing – nowhere else in the world is set up for the task, and nobody can compete against China’s minimal labor costs and environmental regulations.