It just so happens that climate-changing carbon dioxide, worked up to a semi-liquid state, could play a part in reducing emissions of its gaseous counterpart and helping to solve New England’s energy challenges. And it could create a range of new jobs in Maine, too. David Stapp, president of the Wiscasset-based Peregrine Turbine Technologies, said the properties of carbon dioxide in a “supercritical” state — and its suitability for propelling a turbine — aren’t new. But the circular system his company is developing for heating that supercritical carbon dioxide could be the new take on an old technology that helps...