0. Howzit! I have family in Cape Town etc. 1. There has to be some of this: no market is totally free, and free-riders are always a problem to some degree. 2

0. Howzit! I have family in Cape Town etc. 1. There has to be some of this: no market is totally free, and free-riders are always a problem to some degree. 2. Actually this is exactly the flavour of product/service that I am working on. Have the more efficient solution be better and easier, not a hair shirt. The area we are working on could knock 5% off Europe's entire carbon footprint and save most families hundreds of USD per year also.