ECHOGEN POWER SYSTEMS (DE), INC.: NEW DAYS AWARD. CONTROL NUMBER: 1906-1618 TITLE: ''LOW-COST, LONG DURATION ELECTRICAL ENERGY STORAGE USING A C02-BASED PUMPED THERMAL ENERGY STORAGE (PTES) SYSTEM'' ECHOGEN POWER SYSTEMS (DE), INC. WILL DEVELOP A LOW-COST, HIGH PERFORMANCE PUMPED THERMAL ENERGY STORAGE (PTES) TECHNOLOGY USING A CO2 WORKING FLUID FOR LONG-DURATION ELECTRICAL ENERGY STORAGE, AND EXTREMELY LOW-COST THERMAL STORAGE MATERIALS. ----------