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COVID-19

Craft brewers cut down carbon dioxide pollution during COVID-19

Andy Uhler Jul 7, 2020
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One thing that’s driving breweries to capture their own carbon dioxide is that right now some suppliers don’t want to bother with low-volume customers. Christof Stache/AFP via Getty Images
COVID-19

Craft brewers cut down carbon dioxide pollution during COVID-19

Andy Uhler Jul 7, 2020
Heard on:
One thing that’s driving breweries to capture their own carbon dioxide is that right now some suppliers don’t want to bother with low-volume customers. Christof Stache/AFP via Getty Images
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Beer makers buy a lot of carbon dioxide. They use it not only to add some fizz to your IPA, but also to purge tanks for cleaning and to transfer beer from tank to bottle.

Most carbon dioxide available for purchase is a byproduct of oil and gas production. But COVID-19 has depressed the price of oil and suffocated the demand for gasoline, so oil, gas and ethanol plants are making less carbon dioxide. Which is making the product more expensive for those who need it, breweries included.

Coincidentally, brewing actually produces a lot of carbon dioxide. But it’s expensive to capture so most brewers just release the gas into the atmosphere, contributing to pollution.

Amy George figured out that it doesn’t have to be that way.

“There are three steps of purification,” she said, pointing to a carbon capture machine at Austin Beerworks, a brewery on the north side of the Texas capital. The machine looks a bit like a hotel ice maker.

“The first are dryers that remove water. The second is an activated carbon vessel that removes impurities, and then the third is a chiller that takes that gas and converts it to a liquid,” George said.

Her company, Earthly Labs, sold this contraption to the brewery about a year ago.

“It was kind of always the holy grail of craft brewing was to be able to figure out how to reclaim the CO2 that we’re producing and be able to put it back into our beer,” said Adam DeBower, one of the co-founders and owners of Austin Beerworks.

DeBower said his company paid about $100,000 for the unit and its installation.

At Denver Beer Company, co-founder Patrick Crawford decided a carbon capture machine made sense there, too. 

“I think we’ll see much smaller breweries and breweries our size, capturing their own CO2 and using it,” Crawford said.

One thing that’s driving breweries to capture their own carbon dioxide is that right now some suppliers don’t want to bother with low-volume customers.

“Some of our customers had suppliers say, ‘We’re going to ration CO2 for medical supply use,'” George said. “‘We’re going to increase your prices 30%, we’re going to cut your supply in half.'”

“Everybody’s going to feel the pinch,” said Bob Pease, CEO of the Brewers Association, which represents small and independent American craft brewers. He said a carbon dioxide shortage might get worse before it gets better as bars and restaurants, big users of CO2, reopen.

Molson Coors and AB InBev will likely feel the pinch less so than craft breweries. Because of their scale, larger breweries have been repurposing their carbon dioxide for years. 

What’s true for all brewers is that the ability to capture carbon dioxide provides only some of what beer makers need to use, so they currently still have to buy carbon dioxide on the open market.

COVID-19 Economy FAQs

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This economic crisis is unusual compared to traditional recessions, according to Daniel Zhao, senior economist with Glassdoor. “Many workers are still sitting out of the labor force because of health concerns or child care needs, and that makes it tough to find workers regardless of what you’re doing with wages or benefits,” Zhao said. “An extra dollar an hour isn’t going to make a cashier with preexisting conditions feel that it’s safe to return to work.” This can be seen in the restaurant industry: Some workers have quit or are reluctant to apply because of COVID-19 concerns, low pay, meager benefits and the stress that comes with a fast-paced, demanding job. Restaurants have been willing to offer signing bonuses and temporary wage increases. One McDonald’s is even paying people $50 just to interview.

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Can businesses deny you entry if you don’t have a vaccine passport?

As more Americans get vaccinated against COVID-19 and the economy begins reopening, some businesses are requiring proof of vaccination to enter their premises. The concept of a vaccine passport has raised ethical questions about data privacy and potential discrimination against the unvaccinated. However, legal experts say businesses have the right to deny entrance to those who can’t show proof.

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