I66 Producing Energy

I found this tidbit today in EcoTech Daily:

Sainsbury’s Store is the first in Europe to use a green energy system where customers can create 30kWh an hour by driving over plates in the parking lot. The energy that gets made by the cars will be used to power their checkout stands. Anyone else think we should have these on every road in the world?

I immediately had a vision of all the cars on I66 every day and wondered how much power we could produce if these plates were part of the roadway. Cool!