Home / Biomass Energy / If cows could fly: What’s in United Airlines’ biofuels?
If cows could fly: What's in United Airlines' biofuels?
If cows could fly: What's in United Airlines' biofuels?

If cows could fly: What’s in United Airlines’ biofuels?

We lately covered the statement that United Airlines was powering arranged trips with biofuels made by AltAir Paramount, “a California-based refinery that transforms lasting feedstocks, like non-edible all-natural oils as well as farming wastes, right into low-carbon, renewable jet gas, inning accordance with United.”

The initial talk about the blog post asked “exactly what is the resource of this biofuels?” On TreeHugger we do not prefer to leave those sort of inquiries hanging, as well as discovered that the AltAir plant makes its gas from beef tallow and also pig fat, which are ruled out edible oils.

The United States Navy made a large bargain of an order from AltAir, keeping in mind that gas made from tallow is “drop-in”- chemically similar to the oil based gas it changes. It was instead happy with that it was making use of beef tallow as a feedstock, with Assistant of Farming Tom Vilsack introducing:

Today’s deployment proves that America is on its way to a secure, clean energy future, where both defense and commercial transportation can be fueled by our own hardworking farmers and ranchers, reduce landfill waste and bring manufacturing jobs back to rural America.

Steve Csonka, executive supervisor of the Commercial Aeronautics Choice Fuels Campaign (CAAFI) informs food web site Munchies why beef fat is utilized: “The procedure is very durable, as well as there are various suppliers that are playing in this area. We are largely speaking about item that’s appearing of abattoirs, from the initial handling that takes place before complete meat.”

An AltAir Gases representative claimed “that beef tallow gas is a “drop-in diesel,” implying it could be straight replaced, gallon-for-gallon, for standard petroleum-based diesel.”

Csonka describes why biofuel is much better for the atmosphere:

From the carbon dioxide perspective, these fuels are identical. So if I burn a gallon of jet fuel and I burn a gallon of HEFA (hydro processed esters and fatty acids) fuel, the carbon dioxide that comes out of the tailpipe of the airplane is identical,” he said. “The difference comes from the fact that I’ve produced the synthetic or renewable jet fuel without actually pulling additional carbon molecules out of the ground, or I did it at a substantially reduced level versus what I would have had to pull out of the ground if I just wanted to make petroleum-based jet fuel.

If cows could fly: What’s in United Airlines’ biofuels?

honeywell jet fuel© Honeywell doesn’t mention beef tallow much either.

On the United site, they do not mention beef tallow. They only say:

Whereas conventional jet fuel is derived from crude oil, sustainable aviation biofuels can be derived from sources like non-edible natural oils and agricultural wastes. The AltAir facility converts this feedstock into sustainably produced jet fuel that is expected to provide a greater than 60 percent reduction in greenhouse gas emissions on a lifecycle basis compared to fuel produced from crude oil.

Yet does that lifecycle evaluation consider the carbon impact of elevating cows, which are in charge of 7 percent of the globe’s carbon exhausts? When it concerns chemistry, it’s completely great jet gas. The beef tallow is a waste item so one could make an instance for disregarding the carbon impact of making it.

Provided the effect that elevating livestocks has, from its use land and also water to the carbon produced elevating it, I think that a great deal of individuals would certainly look much less positively at United’s effort if they understood they were flying on beef tallow. As well as I make sure a great deal of flying vegetarians would not be also satisfied either.

Check Also

'Green gas' mill plans are moving forward in the UK - © Ecotricity

‘Green gas’ mill plans are moving forward in the UK

Back in 2010, UK-based renewable energy company Ecotricity introduced a solution supplying vegan biogas to …

Leave a Reply

Your email address will not be published. Required fields are marked *