Connect with us

Published

on

There are three fossil fuels we must stop burning if we are to save our planet: coal, oil, and methane (aka “natural”) gas. Coal is declining precipitously. Scientists think we hit peak coal in 2013, and American use of coal has fallen by over 50% in the last 10 years (though, we need to quickly nail this coffin closed considering how dirty and polluting coal is). Oil is seeing the writing on the wall as major automakers commit to electric vehicles. Many think 2019 may have been the year we hit peak oil, and EVs are expected to make the internal combustion engine a “historical technology” by 2040. The faster we historicize petroleum, the better, so please buy that electric car or e-bike today. 

Natural gas (aka methane) now comes into sight as the next fossil fuel we need to banish in the quest to rescue ourselves from the most catastrophic climate catastrophe. Burning methane is currently responsible for nearly 25% of all carbon emissions in the US, and its use is growing. Methane is also deeply embedded in many of our homes, and this will make it a challenge to extricate. We aren’t anywhere near hitting peak natural gas usage on our current trajectory.

But, as of recently, some American cities, mostly in California, have recognized the need to eliminate gas and slowly get us off the fossil sauce. In 2019, these leading cities did something that had never been done in the history of our species — they started banning future use of methane in new construction. The idea has been to stop digging a hole that we have to quickly climb out of, so they legislated that no new homes or buildings should be built with methane hookups. This will avoid costly retrofits later. The city-led ban began in California, has reached over 50 cities, and is spreading up the West Coast like a good kind of wildfire. 

Enter “Renewable” Natural Gas

Any entrenched industry will fight with all its might not to disrupt revenue streams, regardless of the effects of their products on humanity (see: oxycontin and tobacco). So, it is to be expected that methane peddlers will spend the next crucial decades resisting efforts to ban their product. They’ll use lots of arguments to slow humanity’s inexorable push towards a fossil fuel future. The most ingenious/insidious one that we must quickly debunk is that their carbon polluting fuel is actually clean or has the potential to become so.

Enter, stage right, “renewable natural gas,” or RNG, a brilliant buzzword for a product that companies are counting on consumers to believe in, to continue with business mostly as usual. Renewable natural gas is methane that comes from biological sources like human and cow sewage or landfills. It differs from current methane, which is fracked from the earth’s interior, some of which escapes through pipes, while the rest is burned, adding to our dangerous warming blanket. RNG harnesses methane being created anyway and thus, doesn’t add new layers to our greenhouse problem. A group of nonprofits in my region just released an in-depth look at renewable natural gas and the numbers aren’t good. 

How to Make Renewable Natural Gas — Anaerobic Digestion and Gasification

Before we can examine how much RNG our society will be able to realistically produce, let’s briefly talk about the two ways to make renewable natural gas. Even though, as we’ll shortly see, RNG won’t come remotely close to meeting our current gas demand, it still has the potential to be an important, lower-carbon tool in reducing the emissions of hard-to-decarbonize applications (like industry). 

The first way to make RNG is through anaerobic digestion technology. This is a process where bacteria eat waste in an atmosphere that doesn’t contain oxygen (anaerobic). Sewage treatment plants and pig farms use this process. They gather fecal matter, bring bacteria to a specific temperature, do a lot of other magic in pipes, and out comes methane gas. Landfills are another source of this methane as wasted food and other fun stuff are eaten by bacteria underground and methane is created as a byproduct.

The second way to make RNG is through thermal gasification, which “uses energy to turn agriculture and commercial forest harvest residues” into something called Syngas. Syngas can then be converted to methane with more processing. According to a large survey by the State of Oregon, “There are currently no commercial-scale thermal gasification plants in the United States that convert biomass into methane. The existing plants produce syngas, which is burned and used to generate heat and electricity.” So thermal gasification is a potentially important, but unproven technology that should not make us believe that we can simply keep burning gas in our homes. 

How Much Renewable Natural Gas Could We Conceivably Produce?

In the 2018 Oregon study cited above, (which had many gas industry officials involved in its writing) researchers looked at what we could optimistically hope for from RNG production. The numbers aren’t good. The potential for anaerobic digestion is 4.6% while the potential for thermal gasification is 17.5% of current natural gas usage in the state. So RNG could potentially cover 20% of the methane gas we use today, assuming significant investments in technology and distribution systems that do not exist today – in other words and not anytime soon.Think about it. We could work our tushies off over the next couple, crucial decades, to try to decarbonize natural gas pipes, while the planet is heating up and wildfire smoke is crossing our country coast to coast, and after crucial time and work, we’d still be using 80% fracked, fossil natural gas. If that’s not backing the wrong horse, then I don’t know what is. 

Oregon’s numbers are similar to national numbers. Another study found that, nationally, we could hope for about 16% renewable natural gas, and again, this is far in the future and only if we invest heavily in RNG.

Compare that to electricity as a fuel, and you’ll see a stark difference. Right now, the national electric grid gets 20% of its power from renewables and 20% from nuclear, making electricity 40% carbon free. Biden wants to get to 100% by 2035. Oregon recently passed a law to get to 80% clean electricity by 2030 and 100% by 2040. Wind and solar are carbon neutral and are the cheapest and most installed forms of new energy generation. We have the roadmap and the tools to completely decarbonize electricity over the next 10–20 years and are doing so faster than anyone expected. Clean electricity is real, proven, happening and the horse we should be backing. 

Electrifying our house and capping our natural gas pipe was one of the best things my family has done for the climate.

Other problems with renewable natural gas

There are other significant problems with renewable natural gas which are highlighted in depth in this brilliant article by Laura Feinstein and Eric de Place. Renewable natural gas isn’t even zero carbon. It is true that it often comes from existing sources of methane, but often those sources of methane could be avoided. Take landfills for example. When we toss food scraps into landfills it creates methane. We could capture that methane to make renewable natural gas or we could compost the food scraps like many cities and nations do, and avoid making that methane in the first place and get the benefits of richer, healthier soil in our communities. Relying on renewable natural gas could thus lock us into wasteful, inefficient practices when other options exist. 

Another significant problem is that RNG costs a lot to make. A million BTUs of methane gas currently costs $3. The median cost for the equivalent amount of RNG is about 6 times that, at $18. Yipes! Imagine telling consumers that their gas bills are going to sextuple, and you’ll start to see how viable RNG is as a long term solution. 

Scratch the surface, and it’s easy to see how RNG meets the classic definition of a red herring; “something that misleads and distracts us from a relevant or important question.” There won’t be very much of it, and it’s going to be very expensive. Let’s not get sidetracked from real climate solutions. When our local methane suppliers use the word “renewable” to keep pumping fossils into our homes, we need to understand that this is at best a stalling tactic and a greenwash to distract from the dangers of methane gas. Let’s stay focused on more realistic solutions for heating our homes and addressing the climate crisis like electrification.

I’ll be co-hosting a free webinar with Electrify Now on “The Future of Natural Gas” on Wednesday, September 22. Register and get more information here

Check out this in-depth report on methane gas released by a coalition of 62 organizations recently. 

Related: Natural Gas Leaks Deadly For Trees (Video)

 

Appreciate CleanTechnica’s originality? Consider becoming a CleanTechnica Member, Supporter, Technician, or Ambassador — or a patron on Patreon.

 

 


Advertisement



 


Have a tip for CleanTechnica, want to advertise, or want to suggest a guest for our CleanTech Talk podcast? Contact us here.

Continue Reading

Environment

Germany’s largest offshore wind farm fires up its first turbine

Published

on

By

Germany’s largest offshore wind farm fires up its first turbine

Germany’s largest offshore wind farm hit a big milestone: The first turbine at EnBW’s He Dreiht project has produced its first kilowatt-hour of electricity and sent it into the grid.

More turbines are expected to come online over the coming weeks. European energy provider EnBW has already installed 27 of the wind farm’s 64 turbines, all of which are scheduled to be commissioned by summer 2026.

Peter Heydecker, EnBW board member for Sustainable Generation Infrastructure, described the November 25 milestone as a “significant moment for EnBW.” With 960 megawatts (MW) of total capacity, He Dreiht is now Germany’s largest offshore wind farm.

Vestas supplied the 15 MW turbines, marking their world debut. Nils de Baar, president of Vestas Northern and Central Europe, said the giant turbine’s technology sets a new standard for offshore wind. “Its efficiency and performance enable a significant increase in energy yield per turbine.”

Advertisement – scroll for more content

Just one rotation of the 15 MW turbine’s rotor can power the equivalent of four households for a day. The hub stands 142 meters (466 feet) tall, and the rotor’s 236-meter (774-foot) diameter sweeps a 43,742-square-meter (10.8-acre) area — roughly the size of six football fields. To put the scale into perspective, EnBW’s first offshore project, Baltic 1 in 2010, used 2.3 MW turbines.

EnBW wrapped up the wind farm’s internal cabling in August. Those lines connect all the turbines and feed into a converter platform operated by transmission system operator TenneT. That’s where the power is collected, converted from AC to DC, and sent to shore through two high-voltage DC cables.

Once complete, He Dreiht will generate enough electricity to power about 1.1 million households. The project is being built without state funding and sits roughly 85 kilometers (53 miles) northwest of Borkum and 110 kilometers (68 miles) west of Heligoland. EnBW’s offshore office in Hamburg is coordinating the build.

A partner group made up of Allianz Capital Partners, AIP, and Norges Bank Investment Management owns 49.9% of the project. Total investment comes in at around €2.4 billion.

Read more: China’s surge pushes global wind toward fastest growth ever


If you’re looking to replace your old HVAC equipment, it’s always a good idea to get quotes from a few installers. To make sure you’re finding a trusted, reliable HVAC installer near you that offers competitive pricing on heat pumps, check out EnergySage. EnergySage is a free service that makes it easy for you to get a heat pump. They have pre-vetted heat pump installers competing for your business, ensuring you get high quality solutions. Plus, it’s free to use!

Your personalized heat pump quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here. – *ad

FTC: We use income earning auto affiliate links. More.

Continue Reading

Environment

BYD tried crushing its $180K luxury SUV with a 2-ton tree and it barely left a mark [Video]

Published

on

By

BYD tried crushing its $180K luxury SUV with a 2-ton tree and it barely left a mark [Video]

The Yangwang U8L is among the most expensive Chinese vehicles, starting at about $180,000. To prove it’s built for just about anything, BYD dropped a 2-ton tree on it, three times, and the ultra-luxury pretty much brushed it off.

BYD drops a tree on its ultra-luxury SUV during testing

BYD launched the Yangwang U8L in September, a long-wheelbase version of the U8 off-road SUV. The U8 was first introduced in September 2023 as the first vehicle from BYD’s ultra-luxury sub-brand, Yangwang.

Yangwang is a new energy vehicle (NEV) brand that sells high-end plug-in hybrids (PHEVs) and 100% battery electric (BEV) vehicles as BYD expands into new segments.

The U8L is Yangwang’s fourth vehicle, following the U8, U9, and U7. It’s available in China with a quad-motor extended-range electric vehicle (EREV) system, delivering a CLTC range of 200 km (124 miles) on battery power alone.

Advertisement – scroll for more content

A 2.0-liter turbocharged gasoline engine serves as a generator, delivering a combined CLTC range of 1,160 km (720 miles).

Measuring 5,400 mm in length, 2,049 mm in width, and 1,921 mm in height, the Yangwang U8L is even bigger than the Rolls-Royce Cullinan and Range Rover Long Wheelbase.

BYD-luxury-SUV-tree-drop

BYD’s ultra-luxury SUV is priced from 1.28 million yuan ($180,000), making it one of the most expensive models from a Chinese brand.

It may look pretty, but the Yangwang U8L is built for far more than just good looks. Like the U8, the long-wheelbase version is equipped with advanced features such as emergency float mode, which allows it to float on water for up to 30 minutes, tank turns, crab walking, and more.

To prove its durability, BYD engineers put the luxury SUV through the paces, dropping a massive 2-ton tree on it, not once, but three times.

During the final drop, the company said the maximum impact energy reached 50.4 kJ, or about 37,200 lb-ft. After three consecutive drops, the Yangwang U8L barely even got a scratch. The body structure remained intact, the door still opened, the columns didn’t bend, and the vehicle could even drive like normal.

FTC: We use income earning auto affiliate links. More.

Continue Reading

Environment

Amid affordability crisis, White House plans to raise your fuel costs by $23B

Published

on

By

Amid affordability crisis, White House plans to raise your fuel costs by B

The White House will formally announce its planned hike in US fuel costs by $23 billion tomorrow, according to Reuters.

Since the beginning of this year, the occupants of the White House have been on a mission to raise costs for Americans.

This mission has encompassed many different moves, most notably through unwise tariffs.

But another effort has focused on changing policy in a way that will raise fuel costs for Americans, adding to already-high energy prices.

Advertisement – scroll for more content

The specific rollback tomorrow focuses on a rule passed under President Biden which would save Americans $23 billion in fuel costs by requiring higher fuel economy from auto manufacturers. By making cars use less fuel on average, Americans would not only save money on fuel, but reduce fuel demand which means that prices would go down overall.

The effort to roll back this rule was initially announced on the first day that Sean Duffy started squatting in the head office of the Department of Transportation. Duffy notably earned his transportation expertise by being a contestant on Road Rules: All Stars, a reality TV travel game show.

Then in June, Duffy formally reinterpreted the Corporate Average Fuel Economy (CAFE) standard, claiming falsely that his department does not have authority to regulate fuel economy.

Republicans in Congress even got into effort to raise your fuel costs, as part of their ~$4 trillion giveaway to wealthy elites included a measure to make CAFE rules irrelevant by setting penalties for violating them to $0. In addition, it eliminated a number of other energy efficiency and domestic advanced manufacturing incentives.

Duffy’s department then told automakers that they would not face any fines retroactively to 2022, which saved the automakers (mostly Stellantis) a few hundred million dollars and cost American consumers billions in fuel costs.

Tomorrow, Duffy is expected to make an announcement formally changing CAFE rules, lowering the required fuel economy for 2022-2031 model year vehicles, even despite all of the other changes in trying to make the rules unenforceable. The theory behind this would be to make it harder to later enforce the rules, and to allow automakers to get off with more pollution, and to increase fuel demand and fuel prices for longer until a real government returns to power and starts doing its job to regulate pollution.

We don’t know the specifics yet of what exactly the announcement will entail, but given the general trend of recent announcements, it will likely be a full rollback of the improvements to the rule made by President Biden.

Tomorrow’s announcement is expected to be attended by executives from the Big Three American automakers – GM, Ford, and Stellantis (formerly Chrysler).

Their presence on stage suggests that their prior commitments to energy efficiency and electrification were not serious, as they are now joining in an effort to increase your fuel costs, just to save themselves a few engineering dollars on having to provide something other than the disgusting, deadly land yachts that are a blight on the nation’s roads and are murdering pedestrians at a 50-year high.

Tomorrow’s announcement is just one many efforts currently being undertaken by executive departments to try to raise your fuel costs.

One of the largest is the EPA’s attempt to delete the “Endangerment Finding,” the government’s recognition of the scientific fact that climate change is dangerous to humans. The EPA is undertaking this effort so that it can then eliminate other rules intended to reduce pollution, with the goal of making you more beholden to fossil fuels.

Even the Energy Department’s own numbers, signed off on by oil shill Chris Wright, say that changes sought by the White House will increase gas prices by $.76/gal.

Like most other governmental changes, today’s change will likely go up for public comment, as required by the Administrative Procedures Act. We’ll let you know when they do.


The 30% federal solar tax credit is ending this year. If you’ve ever considered going solar, now’s the time to act. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them.

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.

FTC: We use income earning auto affiliate links. More.

Continue Reading

Trending