SPRINGFIELD, Mass. -- Big Y Foods here is testing a new gas-powered engine for refrigeration systems to determine potential savings in electricity and maintenance.
The retailer installed a gas-powered rotary engine in a new store that opened here in November and has seen some reduced energy usage, store officials said.
"It's an alternative way to power our refrigeration," said Claire D'Amour, vice president of corporate affairs. "Our refrigeration experts are very happy with t