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SKOKIE, United States: At LanzaTech’s lab in the Chicago suburbs, a beige liquid bubbles away in dozens of glass vats.

The concoction includes billions of hungry bacteria, specialized to feed on polluted air — the first step in a recycling system that converts greenhouse gases into usable products.

Thanks in order to licensing agreements, LanzaTech’s novel microorganisms are already being put to commercial use by three Chinese factories, converting waste emissions in to ethanol.

That ethanol is then used as a chemical building block for consumer items such as plastic bottles, athletic wear and even dresses, via tie-ins with major brands this kind of as Zara and L’Oreal.

“I wouldn’t have thought that 14 years later, we would have a cocktail dress on the market that’s made out of steel emissions, ” said microbiologist Michael Kopke, who joined LanzaTech a year after its founding.

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LanzaTech is the particular only American company among 15 finalists for the Earthshot Prize, an award for contributions to environmentalism launched by Britain’s Prince William and broadcaster David Attenborough. Five winners will be announced on Friday.

To date, LanzaTech says it has kept 200, 000 metric tons of carbon dioxide (CO2) out of the atmosphere, while producing 50 million gallons (190 million liters) associated with ethanol.

That’s a small drop within the bucket when it comes to the actual quantities needed to combat climate change, Kopke concedes.

But having spent 15 years developing the methodology and proving its large-scale feasibility, the company is now seeking to ramp upward its ambition and multiply the number of participating factories.

“We really want to get to the point where we only use above ground carbon, and keep that inside circulation, inch says Kopke — in other words, avoid extracting new oil and gas.

Industry partnerships

LanzaTech, which employs about 200 people, compares its co2 recycling technology to a brewery — but instead of taking sugar and yeast to make beer, this uses carbon dioxide pollution plus bacteria to make ethanol.

The bacteria used in their process was identified decades ago in rabbit droppings.

The company placed it in industrial conditions in order to optimize this in those settings, “almost like an athlete that we trained, ” said Kopke.

Bacteria are sent out in the form of a freeze-dried powder to corporate clients in China, which have got giant versions of the vats back in Chi town, several meters high.

The particular corporate customers that built these facilities will then reap the particular rewards associated with the sale of ethanol — as well as the positive PR from offsetting pollution from their main businesses.

The clients in China are a steel plant and two ferroalloy plants. Six other sites are usually under construction, including one in Belgium for an ArcelorMittal plant, and in India with the particular Indian Oil Co.

Because the germs can ingest CO2, carbon monoxide plus hydrogen, the process is extremely flexible, explains Zara Summers, LanzaTech’s vice president of science.

“We can take garbage, we can take biomass, we can take off gasoline from a good industrial plant, ” stated Summers, who spent 10 years working for ExxonMobil.

Products already on the shelves include a line of dresses at Zara. Sold at around $90, they are made associated with polyester, 20 percent of which comes from captured fuel.

“In the future, I think the vision is there is no such thing as waste materials because co2 can be reused again, inches said Summers. s

Sustainable aviation fuel

LanzaTech has also founded a separate company, LanzaJet, to use the ethanol in order to create “sustainable aviation fuel, ” or SAF.

Increasing global SAF production is a huge challenge for that fuel-heavy modern aviation sector, which is seeking to green itself.

LanzaJet is aiming to achieve 1 billion gallons associated with SAF production in the United States per year by 2030.

Unlike bioethanol produced from wheat, beets or corn, fuel created from greenhouse gas emissions doesn’t require the use of agricultural land.

For LanzaTech, the next challenge is to commercialize bacteria that will produce chemicals other than ethanol.

In particular, they have their sights set on directly producing ethylene, “one of the particular most widely used chemicals in the world, ” for each Kopke — thus saving energy associated with having in order to first convert ethanol directly into ethylene.

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