The City of Seattle is currently in the third year of a four - year demonstration phase for its Seattle Preschool Program. (nieer.org)
The four - year demonstration phase of SPP has three purposes. (nieer.org)
In recent years, the production of ethanol — a proven vehicle fuel — from cellulosic biomass, such as cereal straw or wood, has moved into the commercial demonstration phase. (votehemp.com)