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Entrepreneurs at five early-stage, clean-energy companies in Massachusetts say creating a network of like-minded businesses goes a long way to cultivating green start-ups.
Dartmouth start-up SustainX wins $14.4 million in funding from GE for its compressed-air energy storage invention.
To navigate uncertain policies in the U.S., clean-tech start-ups are trying to grow on the cheap and get first products online in China and other countries.
General Electric and VC partners to invest $55 million in 12 start-ups while GE to make $10 million to students to encourage training in electric power engineering.
The nascent industry for grid storage is being aided by falling prices for auto batteries and the technology race to build better bulk energy technology to store wind and solar power.
SustainX, spun out of Dartmouth, is developing a energy production system that uses compressed air stored in portable containers, rather than in natural underground formations.
The latest smart-grid programs give alternative storage technologies--including compressed air, flow batteries, and flywheels--a shot at proving themselves at utility scale.