| http://www.w3.org/ns/prov#value | - Additionally, PG&E sells natural gas at cheaper rates for those operating cogen units, he said.So there is an incentive to install cogeneration facilities, said Mathews, noting that the start-up cost competes with the needs of physicians, who would rather have a new CT scanner.The approval process to install the cogen unit at VacaValley, a 50-bed hospital built in 1988, was challenging but required
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