How tiny house design moved on in 2017

A nice short piece on Green Matters about the various advances in tiny house technology over the last 12 months including prefab design (see the M.A. DI design above), green walls, building to the site, use of urban space, solar power, new materials, accounting for climate change, and planning for the future. Here's a snippet.
The pressure for tiny houses isn't just coming from the internet's sense of whimsy. Overcrowding in urban areas and housing shortages are a serious problem. This prefab [video below] comments on how cars are taking up space that could be used for human habitation, and also suggests and innovative use for parking lots. Make them into villages.