Okay so is it just me or is anyone else thinking that it wouldn't take a high school education to understand how to sap power from the road for free
And anyone with a college education should be able to design the system to prevent this. An obvious solution is to only energize the wires under the car, and then only if a valid credit card number is provided. The charging wire is intermittent, and only available for 10-15% of the road, so it may be possible to allow or disallow power to individual vehicles. There is a better technical description here, but still not enough to know exactly how it works. This is a research prototype so they might not be to concerned about billing issues at this stage.
Those buried conductors are what make repaving an intersection in US a bit more expensive
An obvious solution to this is to not run the wires through the intersection. The cars still have batteries, so they don't need to receive power continuously.