For some, driving a hybrid vehicle is not enough. Some even want to save energy by no longer using their refrigerator! Before deciding to give your fridge the cold shoulder, take our quiz to see how you can do it best and whether it's even worth it.
Which of the following was a precursor to the modern home refrigerator?
When were people first able to buy refrigerators for their homes?
If you have a refrigerator made within the last 10 years, about how much electricity does it use each year?
450 kilowatt-hours per year
765 kilowatt-hours per year
2,000 kilowatt-hours per year
Assuming your refrigerator was manufactured in the last 10 years, about how many miles would you need to drive to equal the "carbon footprint" that the fridge makes in a year?
600 miles (960 kilometers)
800 miles (1,280 kilometers)
1,000 miles (1,600 kilometers)
Which of the following condiments should always be refrigerated?
About how long can your cheese and butter last without refrigeration before they start to go bad?
What is one method of cooling food without a refrigerator?
Store food outside.
Submerge it in water.
Chill food using a portable air conditioner.
How might you need to alter your buying habits if you plan to stop using your refrigerator?
You would have to start buying smaller portions.
You would need to start buying only organic food.
You would have to shop only in stores that sell locally produced products.
Which is NOT a common method of preserving food without the need for a refrigerator?
What appliance in your home typically uses less electricity than your refrigerator?
Which of the following makes going without your refrigerator less environmentally conscious?
You could end up buying food that uses a lot of packaging materials.
You'll use more plastic wrap to store leftovers.
You'll eat more food with lots of preservatives.
In addition to needing to buy smaller portions, why else might unplugging your refrigerator end up costing you more money?
You may have to throw out a lot of leftovers that have spoiled.
You may need to spend more money on electricity for your home air conditioning.
You will only be able to buy expensive organic produce.
What greatly reduces the energy savings of many people who go without their refrigerators?
using a freezer to make ice for a cooler
needing to install a better air conditioner
eating food that is transported from great distances
What is one way that you can improve your refrigerator's efficiency?
Keep the refrigerator full.
Store frozen bottles of water in your fridge.
Don't store more food in the fridge than is absolutely necessary.
How often should you clean the coils of your refrigerator?
every six months
once a year
What can you do to your refrigerator door to ensure that it doesn't waste energy?
Make sure it properly seals closed.
Paint it a light color to reflect heat.
Clean it weekly.
How much electricity is consumed by the refrigeration device invented by Albert Einstein and Leo Szilard?
10 kilowatt-hours per year
100 kilowatt-hours per year
What other sources of energy could be used to power refrigerators in the future?
composted animal manure
What is a problem with using Freon?
It consumes more energy than other coolants.
It's not an effective coolant.
In the U.S., what rating can you look for that indicates you're buying an energy-efficient refrigerator?