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A bacteria found in the gut of a rabbit is going to help Virgin Atlantic, an airline founded by the iconic serial entrepreneur and billionaire Richard Branson, fly a 747 jet from Orlando, Florida, to London, England in an eco-friendly way.
The bacteria, identified by biotech start-up LanzaTech, helps turn factory carbon emissions, a.k.a. pollution, into ethanol, which can then be blended with car gasoline or converted into a liquidfuel that is blended into conventional jet fuel. The goal in both cases is to reduce the amount of petroleum-based fuel used by planes and cars.
Virgin Atlantic, the airline arm of the Virgin empire founded by Branson, has been working with LanzaTech since 2011. The goal of the partnership was to produce jet fuel made from carbon waste gases.
'Now I'm excited to reveal that Virgin Atlantic's low carbon fuel partnership with LanzaTech has taken a vital step forward. This October we will make history by using LanzaTech's innovative new sustainable aviation fuel in a commercial flight for the first time,' Branson writes in a post on his blog published Thursday.
'The fuel will be used in one of our much-loved 747s on a flight from Orlando to London Gatwick, demonstrating the art of the possible, and taking a landmark leap towards making this ground-breaking new low carbon technology a mainstream reality,' says Branson, who sold a 31 percent stake of Virgin Atlantic to Air France-KLM for 220 million pounds in 2017.
For LanzaTech, having its jet fuel used in a Virgin Atlantic flight is a significant milestone.
'Doing a first commercial flight with Virgin Atlantic will help spread the message that carbon reuse, CCU, is not just a lab curiosity or a fantasy but rather a sensible path to economically reducing carbon emissions, ' Jennifer Holmgren, CEO of LanzaTech tells CNBC Make It. 'We also hope that by sharing a success story, we can help seed and grow an entire CCU industry. A rising tide carries all ships.'
While October's first flight is a critical demonstration of the viability of LanzaTech's technology, it's also only a first step, as far as Branson sees.
'The future potential of this technology is enormous,' Branson says. 'This exciting first flight is all about showing we're ready for business. We are working with LanzaTech to turn this new fuel into a day-to-day reality, and want to secure the world's first carbon capture and utilization (CCU) commercial jet fuel production facility in the U.K.'
It took from 2011, when LanzaTech partnered with Virgin Atlantic, to 2018 to get a plane in the air powered with fuel made by LanzaTech. 'Commercializing a new aviation fuel takes a lot of effort and time as there are so many checks and balances,' says Holmgren.
Early testing is promising, though. The carbon footprint of the jet fuel made with LanzaTech's technology shows a 70 percent reduction in carbon compared with jet fuel made from fossil fuel, Holmgren tells CNBC Make It.
It's economical too. 'It will cost the same as the lowest cost alternative jet fuel available today. We hope to compete with the price of kerosene in the future,' Holmgren says.
Making a product that can make money is critical for LanzaTech and the industry at large. 'For decades the world has said that no one can make CCU fuels or chemicals economically. We beg to differ and we are now showing you can do CCU and you can make money. If we are to drive to a low carbon economy, we need economic sustainability as well,' Holmgren tells CNBC Make It.
LanzaTech's first step: Producing ethanol to go in cars
Before LanzaTech's technology was used to fuel planes, it was used to fuel cars.
Almost every gallon of gasoline sold in the United States today is 10 percent ethanol, according to the Renewable Fuels Association. But ethanol still has environmental implications. For example, there's the food versus fuel debate. Ethanol is typically made from corn, sugar cane or grasses, which take a lot of land to grow, acreage that some argue is needed to grow food.
“The world uses 50 million barrels per day of fossil fuels (that’s for cars, planes, boats). If we want to try to substitute a significant portion of that using sugars ... we would end up using all our landmass to make fuels versus growing crops to feed people,” Jennifer Holmgren, CEO of LanzaTech tells CNBC Make It.
'While there are many sustainable sources of sugar-derived ethanol ... it’s not enough to substitute for all the fuel we use today,' says Holmgren. 'Enter gas fermentation.'
Holmgren is referring to the revolutionary process of producing ethanol developed by the start-up. The method uses the rabbit-gut bacteria to ferment waste gas from factories — the exhaust you can see billowing out of their smoke stacks — which then generates ethanol.
So gas fermentation to produce ethanol can not only help solve the land issue, according to LanzaTech, it also tackles another problem: pollution.
The process is 'a lot like making beer, except that instead of converting sugar to ethanol we convert pollution to ethanol,” Holmgren says. “We are reducing waste gas emissions at the same time, preventing these from becoming pollution.'
The resulting ethanol can currently be mixed with gasoline for use in cars, or catalytically converted into the jet blending component to blend with conventional airplane fuel. ( 'You can't blend ethanol into jet fuel. So we need to convert it before we blend it in,' Holmgren tells CNBC Make It.)
Beyond fuel for cars and jets, ethanol can also be converted into ethylene and then polyethylene to make plastic products, an area that LanzaTech hopes to explore in the future.
“Longer term, we’re going to do other things ... make chemicals that will eventually will make your yoga pants someday using recycled carbon emissions, ' Holmgren tells CNBC Make It. 'That's what we're trying to do, but we had to start somewhere, and the easiest thing that could make money was ethanol.'
'Someday I guarantee you, you'll be wearing yoga pants that we made with recycled carbon.”
Holmgren says LanzaTech wants to create 'carbon-smart consumers.”
“We want you to be able to go into a store and choose — just like you choose fair-trade coffee — I want you to choose the carpet that comes from recycled carbon versus the carpet that comes from the fresh fossil carbon, ' she says.
'We want all of you to ask for these products. I don't want these [products] to come from fresh fossil, and that's what we're really trying to do.”
The LanzaTech story
The story of LanzaTech started in 2005 in New Zealand.
Dr. Sean Simpson and the late Dr. Richard Forster (who has since died of cancer) were working at a biofuel company there called AgriGenesis BioSciences. (Biofuel is energy produced from organic material.) But the company closed down, and the scientists were left unemployed.
“They didn’t have a job, and they had no idea what to do,” Freya Burton, chief sustainability officer at LanzaTech, tells CNBC Make It. So the scientists started to brainstorm different ways to make biofuels, which typically come from fermenting plant sugars or starches.
'Coming from a company that was focused on using biomass (plants) to make fuels, they thought that it was a better idea to use [something] that had no impact on land or food production.' They also wanted to find something that was low cost in large quantities, Burton tells CNBC Make It.
Simpson and Forster came across an academic paper that showed it was possible for bacteria to consume carbon monoxide and produce ethanol, 'so they thought that it could be possible to use this biology at large scale to consume waste emissions,' Burton explains.
While researching gas fermentation processes, Simpson and Foster came across the rabbit gut bacteria at the heart of LanzaTech, clostridium autoethanogenum. They found the bacteria — or 'bug,' as it's casually referred to in the industry — at a microbial library called DSMZ in Germany.
“Nobody had considered using waste gases before because they are relatively dirty, ' Burton tells CNBC Make It, and the processes to work with the dirty waste gases were very expensive.
'When [Simpson] first got the bacteria and tried to get it to make ethanol from carbon monoxide, it was pretty useless. So he didn’t know how it would perform at first, but he took a risk,' Burton tells CNBC Make It.
Simpson and Forster had no money and they had no lab space to develop and test the process. So they 'begged, borrowed and pleaded with friends to let them borrow some lab space and equipment,” Burton says. They even scavenged a discarded fridge from a 7-11 that was closing, removing the cooling systems and repurposing it as an incubator for their experiments, Burton says.
Though they were short on cash, the scientists were confident. They registered the company in 2005 with the name LanzaTech. 'Lanza' means 'spear' in Spanish, and their first motto was 'spearheading new technology.'
'[Simpson and Forster] had a firm belief that their idea was possible,' Burton tells CNBC Make It.
In the lab space they cobbled together, the scientists worked with the bacteria to see if they could get it to make ethanol from carbon monoxide in a cost-effective way. They spent two years evolving the bacteria, developing the populations of microbes that could withstand the dirty gases without expensive chemicals and vitamins and that could produce high amounts of ethanol, Burton says.
In 2006, the scientists had enough data to get $100,000 from New Zealand-based company Biodiscovery and permission to use Biodiscovery's lab space in Auckland. From there, further advances allowed the scientists to find larger investors in New Zealand and then the United States, raising $275 million in total. LanzaTech demonstrated the technology worked in factories in New Zealand, China and Taiwan (and a similar technology in Japan) and won 398 patents (it has another 377 pending).
LanzaTech brought on Holmgren as CEO (from UOP, a subsidiary of Honeywell) in June 2010 and moved its headquarters to Chicago (a more central location from which to do business and ship chemicals) in the summer of 2014. LanzaTech now has 140 employees as well as additional offices in Shanghai, New Delhi and London. Today, Simpson is the chief scientific officer of LanzaTech.
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The biotech company operates with a licensing model, licensing its intellectual property and selling its engineering services and the materials to accomplish fermentation — a bacteria and dry mix combo to which customers just add water. Customers pay LanzaTech to install the facilities needed for fermentation and for LanzaTech to store the ethanol produced (which the factories own). LanzaTech also gets royalties from the sale of the ethanol by the factories.
'We use this model because a company like ours can’t raise enough capital to build many production facilities. So if we really want to have a big impact by capturing a lot of gas from a lot of sources, we have to have a business model that supports that, which means we have to give up some rights to the ethanol in order to motivate others to raise the cash or use their cash to build a plant,' Holmgren tells CNBC Make It.
As of May 3, LanzaTech’s gas fermentation technology is operating at commercial scale: A portion of the waste emissions from the Shougang Group’s Jingtang Steel Mill outside Beijing in Caofeidian, China, is being used to produce ethanol in what is being called the Shougang-LanzaTech Joint Venture. The facility will produce 16 million gallons of ethanol a year. The reduced emissions coming from the plant as a result of LanzaTech's technology is the equivalent of taking 80,000 cars off the road every year.
Though a significant step for the company, that's a relatively tiny impact. The United States alone used 14.4 billion gallons of ethanol in 2017, the U.S. Environmental Protection Agency tells CNBC Make It. And in 2016 (the most recent year data is available for), almost 269 million total vehicles were registered just in the United States, according to the U.S. Department of Transportation.
LanzaTech has plans for its technology to be implemented at four other commercial plants in coming years: the Indian Oil Company at the Panipat Refinery in Haryana, India, in 2019 (forecast to produce 11 million gallons of ethanol per year and displace emissions equivalent of taking 50,000 cars off the road each year); Aemetis biotechnology company's Riverbank, California, location in 2019 (forecast to produce 12 million gallons of ethanol per year and displace emissions equivalent of taking just over 50,000 cars off the road each year); Swayana energy project developer in the Mpumalanga province of South Africa in 2019 (forecast to produce 17 million gallons of ethanol per year and displace emissions equivalent of taking just over 80,000 cars off the road each year) and ArcelorMittal steel and mining company in Ghent, Belgium, in 2020 (forecast to produce 21 million gallons of ethanol per year and displace emissions equivalent of taking 100,000 cars off the road each year).
So far, LanzaTech's revenue is relatively limited, since it just recently opened its first facility deploying the technology at commercial scale. In 2017, LanzaTech had revenues of $4.5 million, and in 2016, revenues were $4.1 million, Ben Blackburn, vice president of corporate development, tells CNBC Make It.
“We are still unprofitable at this point, but we expect this to change in the next few years as our near-term commercial plants come online,” Blackburn says. Revenues prior to the first plant opening came from payments for engineering services, research and development services and government grants, Blackburn says.
But already, LanzaTech has made significant progress getting to the point of having its first commercial-scale facility.
'In our field we call building the first commercial [facility] 'crossing The Valley of Death,' Holmgren tells CNBC Make It.
The ethanol debate
Not everyone is optimistic about the use of ethanol. Some argue its environmental benefits are not so clear cut.
'Ethanol, which seemed like a good idea when huge federal subsidies and mandates were put in place a decade ago, now seems like a very poor idea indeed,' says Ford Runge, McKnight University Professor of Applied Economics and Law at the University of Minnesota, in a 2016 paper he authored that was published on YaleEnvironment360, an online publication from the Yale School of Forestry & Environmental Studies.
'Higher-ethanol blends still produce significant levels of air pollution, reduce fuel efficiency, jack up corn and other food prices, and have been treated with skepticism by some car manufacturers for the damage they do to engines,' he says.
And at least one Stanford researcher has questioned the notion that the particulate pollution of ethanol is better than that of gasoline when it is burned in cars.
'It doesn't matter how the ethanol is produced,' Mark Jacobson, professor of civil and environmental engineering and senior fellow at both the Precourt Institute for Energy and the Woods Institute for the Environment at Stanford University, tells CNBC Make It, pointing to his research on the issue. 'The main problem arises when it is burned in an automobile engine. It results in more acetaldehyde and formaldehyde emissions but less benzene and butadiene emissions than gasoline vehicles. As a result of these factors [and others], it produces more ozone — an unhealthful air pollutant that corrodes your lungs, rubber on your tires, agricultural crops and the exterior of buildings — than does gasoline....'
Rachel Gantz, spokeswoman for the Renewable Fuels Association, a leading trade association for America's ethanol industry, says her organization's research shows otherwise and calls the claims 'misleading and a disservice to consumers who have benefited from a cleaner, lower cost choice at the pump.' She says ethanol has lower greenhouse gas emissions than gasoline, and so using it in cars decreases the damaging pollution emitted.
For its part, LanzaTech says ethanol is one part of a multipronged approach to lowering carbon emissions.
'It is important to not rely heavily on one type of solution for transport fuel. While electric vehicles will play a considerable role in the future, there will still be a period of transition where we need alternative low carbon fuels, and ethanol is one way to support this transition. This is especially true for aviation, which is not going to go electric for a long time,' Holmgren tells CNBC Make It.
Branson is also optimistic. 'LanzaTech is pioneering technology we couldn't even imagine ten years ago, and we are now at the critical point where bringing the world's first commercial, low carbon fuel to market is within touching distance,' he said in a 2018 statement about Virgin Atlantic's partnership with LanzaTech, adding it has 'potential to deliver massive carbon savings as well as economic and technological benefits.'
Says CEO Holmgren, who joined LanzaTech after two decades at a corporate behemoth for the potential of the technology, 'You know, this could really have an impact,' she tells CNBC Make It. 'I thought, 'Wow, if this works, this is revolutionary.' I want to make that happen.'
This is an updated version of a previously published story.
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