Plant Prefab, a company that builds prefabricated single and multi-family homes, has just gained Amazon as one of its newest investors. Funds for the Southern California company will come from Amazon’s Alexa fund, which is oriented towards supporting and promoting voice technology innovation. Director of the Alex fund, Paul Bernard, described Amazon’s interest in Plant Prefab in a statement, “…they make sustainable, connected homes more accessible to customers and developers.” According to the company, Plant Prefab uses non-toxic building materials and is able to reduce building cost by 10% to 25% and significantly reduce energy, water, and resource use through its patented building system.