Now here's a cool idea: a metal box that helps your food last longer! Have you ever stopped to think how a refrigerator keeps cool, calm, and collected even in the blistering heat of summer? Food goes bad because bacteria breed inside it. But bacteria grow less quickly at lower temperatures, so the cooler you can keep food, the longer it will last. A food meat refrigerator is a machine that keeps food cool with some very clever science. All the time your refrigerator is humming away, liquids are turning into gases, water is turning into ice, and your food is staying deliciously fresh. Let's take a closer look at how a refrigerator works!The dramatic rise in efficiency began in response to the oil and energy crises of the 1970s when refrigerators typically cost about $1,300 when adjusted for inflation, a hefty price to pay for an energy waster. Refrigeration labels and standards have improved efficiency by two percent per year since 1975. Due to research, useful tools, partnerships with utilities and other organizations, and market initiatives that helped enable top open air curtain refrigerator and other appliance standards, the Energy Department has helped avoid the construction of up to 31 1-GW power plants with the energy saved since the first Federal standards in 1987. That’s the same amount of electricity consumed by Spain annually.
In this position, Roland Risser was responsible for leading all of EERE's applied research, development and demonstration for renewable energy, including geothermal, solar, and wind and water power.In this position, Roland Risser was responsible for leading all of EERE's applied research, development and demonstration for renewable energy, including geothermal, solar, and wind and water power.
GREENSBORO, N.C. — The beige-and-brown General Electric top open glass door refrigerator, circa 1982, whirs in a dark corner of Doris and Anthony Vincent’s basement.Those numbers will likely change again as the pandemic continues and with the average 10-year life span of newer refrigerators. When stand-alone freezers sold out in stores nationwide in the spring of 2020, months of back orders set off a buying spree on refrigerators. In April, Consumer Reports urged those who couldn’t find a freezer to consider a second upright back sliding door refrigerator instead.People of color also have second refrigerators in disproportionately high rates. Nearly 20 percent of Black Americans have them, as do 22 percent of Latinos and 23 percent of Asian-Americans. One-third of Native American respondents in the Energy Information Administration’s last major survey of residential energy consumption, completed five years ago, reported having more than one stand up back front sliding door refrigerator.“Many Navajos on the reservation actually do not have access to the space and electricity” for even a first multi-deck display refrigerator, she said.