Cummins has discovered a wonderfully convenient way to explain away the carbon impact of Europe’s industrial standby generators. According to a comparison repeated by Ignacio Gonzalez, the continent’s emergency power fleet produces less carbon in an entire year than household gadgets left on standby produce in a single week. Gonzalez, Cummins’ Executive Director for Power Generation Markets across Europe, the Middle East, India and Africa, offered this curious defence just as the company prepared to cash in on the AI data-centre boom. Cummins no longer wants its generators merely waiting for an electrical emergency. It sees a wider role for them in the power system itself. Yet when somebody asks about pollution, we’re invited to worry about the television, the wireless router and whichever other domestic appliance has been quietly committing environmental atrocities behind the fucking sofa.
The Diesel Manufacturer Discovers Artificial Intelligence
On 16 October 2026, Cummins published Rising to the Power Challenge, an interview with Ignacio ‘Nacho’ Gonzalez. Tony Cheverall, Editor of Cummins Europe Magazine, conducted the discussion. Gonzalez also serves as Vice President of EUROPGEN, the European trade group for generating-set manufacturers. That gives him a prominent position in an industry poised to benefit from the enormous growth in data-centre power demand.
The interview follows a familiar route through new technology, electricity needs and the problems facing the AI sector. Cummins wants to supply ever more powerful equipment to an industry whose appetite for energy is growing faster than the networks serving it. Bigger server farms require dependable supplies, effective cooling and substantial backup capacity. As a result, the makers of industrial generating equipment have discovered a promising new market among the world’s technology giants.
Gonzalez describes the data-centre market as the current “flavour of the moment”. He also explains that his part of Cummins is perceived as an AI asset. That’s an interesting transformation for a business whose main skills involve engines, alternators, controls and the practical task of turning fuel into electrical power.
The machinery hasn’t suddenly developed artificial intelligence. These generators aren’t writing software, training language models or forming unsettling emotional bonds with their operators. They’re supplying electricity to keep the computational circus running. Yet in the strange alchemy of modern corporate branding, selling power equipment to data centres can turn an established engineering business into an AI investment story.
Yesterday’s diesel generator has acquired a fashionable new identity, presumably without anybody needing to update its fucking firmware.
The Future Is Another Customer Waiting For Electricity
Gonzalez expects much of the AI-related growth to arrive over the next two to four years. He anticipates larger data-centre sites, rising power demands and major investment in factory capacity. Cummins has already committed resources to expanding its output and making production more flexible. Its QSK95 and new QSK78 platforms also show how seriously the company takes this market.
This is entirely rational business behaviour. Data centres need power they can rely upon, and lengthy blackouts can cause enormous losses. Cummins already possesses years of experience building the equipment these facilities require. The International Energy Agency has also documented AI’s growing demand for electricity, so the underlying opportunity is hardly imaginary.
What interests TCAP is the company’s changing narrative. Cummins spent years promoting cleaner engines and new energy systems under its Destination Zero banner. Hydrogen, batteries and alternative fuels occupied substantial space in the corporate publicity. Each offered a glimpse of a future where established diesel products might eventually play a smaller role.
Now the market has developed another attraction. Data centres are expanding rapidly, customers need power immediately and Cummins already builds machinery suited to the task. Instead of waiting for hydrogen supply networks to mature, the company can sell equipment that engineers know how to manufacture, maintain and support.
That difference becomes particularly interesting when the financial results enter the conversation.
Destination Zero Meets The Profit And Loss Account
Cummins’ second-quarter 2026 results provide a useful measure of where its business momentum sits. The Power Systems division generated about $2.3 billion in quarterly sales and $552 million in EBITDA. Strong demand from data-centre customers helped push sales 19% higher than a year earlier.
Accelera, the division behind much of Cummins’ zero-emissions identity, reported $145 million in sales and a $69 million EBITDA loss for the same quarter. The two divisions serve different markets, so a direct comparison has limits. Nevertheless, the contrast between established power systems and the developing clean-technology business is difficult to ignore.
The wider history makes the figures more striking. In February 2026, Cummins disclosed $458 million in charges linked to its electrolyser business during 2025. It also announced plans to end new commercial electrolyser activity, subject to consultation requirements, while meeting existing customer commitments. The hydrogen strategy had encountered an awkward problem: the market wasn’t developing quickly enough to justify the company’s earlier ambitions.
Then came the AI boom, offering a substantial opportunity for the sort of power systems Cummins already understands. Investors gained a new growth story, while the established engineering business enjoyed a surge in demand. None of this means Cummins has abandoned clean technology. Its battery and alternative-fuel projects still matter, and Accelera continues to operate.
However, the current financial contrast is hard to miss. The division producing stronger returns isn’t the futuristic hydrogen operation that previously occupied so much of the sustainability narrative. It’s the business selling dependable power to customers with enormous electrical needs.
The accountants examine the numbers, the engineers identify the capacity and the communications department discovers another fashionable story. Yesterday’s diesel generator becomes tomorrow’s AI asset without so much as changing its overalls.
Introducing The Household Gadget Defence
Then the interview turns towards environmental concerns, and the proceedings become considerably more entertaining.
Asked whether data-centre generators deserve their reputation as a dirty business, Gonzalez rejects the suggestion. He recalls a comparison made at a recent EUROPGEN meeting. According to the claim, Europe’s standby generators produce less carbon in a year than household devices left on standby produce in one week.
It’s a spectacularly convenient argument. An industry supplying large combustion engines to major sites suddenly appears almost harmless beside the combined effect of Europe’s televisions, routers, games consoles and other domestic gadgets. The visual contrast does most of the work. On one side sits a vast diesel installation with exhaust pipes, fuel tanks and cooling systems. On the other stands a television showing a tiny red light in somebody’s living room.
Apparently, the television is the bastard we should all be worried about.
Unfortunately, the Cummins interview supplies no figures, underlying dataset or method for checking the comparison. Gonzalez attributes the observation to an industry meeting rather than claiming to have produced the research himself. Even so, Cummins repeats it in a corporate interview without the details a reader would need to judge its accuracy.
How many standby generators did the calculation include? Which countries counted, and how many running hours did the figures assume? Did the totals cover routine testing, while using the same basis for the household devices? What sources supplied the carbon figures, and how did the researchers account for differences between national power grids?
These aren’t obscure questions intended to torment an innocent industry executive. They’re the basic information needed to assess a sweeping claim about pollution. Without clear answers, the statement remains an interesting anecdote rather than a reliable measure of Europe’s standby power fleet.
The Comparison Has A Rather Convenient Blind Spot
There’s another problem, and it concerns how standby machinery normally works.
Emergency power equipment spends much of its life doing absolutely nothing. Its purpose is to provide electricity when the usual supply fails. As a result, annual fuel use can remain fairly low, even when the installed engines possess enormous power output.
A machine that rarely runs will produce fewer yearly exhaust emissions than the same unit operating every day. That’s not a breakthrough in green engineering. It’s what happens when somebody leaves a combustion engine switched off.
Household appliances, meanwhile, exist in vast numbers. Millions of devices remain connected to the grid throughout the year, using small amounts of power even when people aren’t actively using them. Those tiny demands can add up across an entire continent.
The European Commission has introduced tighter standby-consumption rules for precisely that reason. Updated requirements began applying in May 2025, aiming to reduce wasted electricity and the resulting carbon output.
So the comparison Gonzalez repeats could conceivably hold under a particular set of assumptions. But even if accurate, what would it prove?
That rarely used industrial generators collectively produce less carbon than an immense number of domestic devices? Perhaps. It wouldn’t establish that diesel engines are inherently clean or that running them more often has little impact. Nor would it answer concerns about local air quality.
Most importantly, it would tell us little about what happens when those generators begin taking on a more active role.
And that is precisely the possibility Cummins wants to explore.
From Emergency Standby To Active Emergency
One of the interview’s most revealing passages concerns what Gonzalez calls “active emergency”. Rather than treating generators solely as machinery waiting for a power failure, Cummins wants to explore a broader role for its power systems. These could combine engines and battery storage to help data centres manage electricity demand and strengthen their supply.
The idea has genuine merit. Batteries can react quickly to sudden changes in demand, while engines provide extra capacity when required. Working together, these systems may improve reliability and help sites cope with problems on the local grid.
However, the carbon impact depends upon how the system operates. A battery providing brief support is not the same as a diesel engine running for several extra hours. Likewise, reducing demand on the grid differs from generating power through combustion. The outcome depends on which machines run, what fuel they burn and how often they operate.
Gonzalez doesn’t suggest that every Cummins standby generator will suddenly run around the clock. His comments concern a wider approach that also includes batteries. Nevertheless, the potential change in duties makes the earlier gadget comparison a poor guide to the future.
If Cummins wants power equipment to do more than wait for blackouts, it needs to assess the results of that extra work. An emissions comparison built around occasional emergency use cannot automatically describe a system that operates more frequently.
You cannot celebrate the possibility of generators becoming more commercially active while asking readers to judge their green credentials solely by how little they previously ran.
That’s an impressive piece of corporate arithmetic, even by Cummins’ standards.
The Environment Agency Has Read The Other Rulebook
Britain’s Environment Agency draws an important distinction between emergency backup generation and machinery used for other business purposes.
Its guidance explains that emergency-only power systems receive different treatment from equipment providing services such as grid balancing and demand-side response. Running a generator for paid grid-support work can therefore change the rules that apply to a site. The exact duties depend upon its size, activity and permit conditions.
The agency’s technical guidance also highlights the air-quality problems linked to diesel engines. Their exhaust can contain substantial amounts of nitrogen oxides, while large sites may pose a risk to local air standards during operation. Regulators therefore examine where equipment sits, how often it runs and what controls protect the surrounding area.
That introduces another weakness in the household-gadget defence. Carbon dioxide and nitrogen oxides are different pollutants with different effects. A comparison focused on carbon cannot replace an assessment of local air quality, especially near communities already exposed to traffic and other combustion sources.
Nobody is suggesting that hospitals, emergency services or data centres should abandon reliable backup power. Those systems perform important work. But the need for electricity doesn’t remove the need to examine how the machinery affects the air when it runs.
Cummins’ interview offers a reassuring anecdote about household devices. The regulator provides operating rules, air-quality concerns and a rather less whimsical account of what comes out of a diesel exhaust.
One approach examines how the equipment works. The other points accusingly at somebody’s fucking television.
HVO, Hydrogen And The Expanding Green Vocabulary
Gonzalez also highlights Cummins’ work involving hydrotreated vegetable oil, hydrogen and natural gas. He presents these fuels as ways for data-centre operators to improve their carbon performance. The discussion also refers to carbon usage effectiveness, or CUE, a measure intended to help operators assess the carbon impact of their sites.
These are valid areas of research and development. HVO can reduce lifecycle greenhouse-gas emissions when producers use suitable raw materials and sound production methods. Batteries can improve how sites manage power, while cleaner fuels may help cut emissions in the right circumstances.
However, each technology comes with limitations. Burning HVO doesn’t eliminate exhaust pollution, while natural gas still produces carbon when used as a fuel. Methane leaks also matter when assessing its wider climate impact. Hydrogen brings a different collection of hurdles, including production costs, transport, storage and the lack of a mature supply network.
None of those issues means Cummins should abandon research into cleaner power. They simply make honest comparisons essential, particularly when a company uses the language of transition to promote its products.
The sales vocabulary has become remarkably flexible. Diesel generators support AI. Natural gas offers a bridge, while HVO improves the carbon story. Hydrogen remains part of the longer-term vision, and batteries promise greater flexibility.
There’s a product for almost every market condition and a convenient environmental explanation for nearly every product.
The business flexibility is impressive. The intellectual gymnastics deserve rather closer inspection.
The AI Boom Comes With An Electricity Bill
The pressure that artificial intelligence places on electricity networks isn’t imaginary. The International Energy Agency estimates that global data-centre power demand could roughly double between 2024 and 2030. AI will play an increasingly important role in that growth, pushing companies to build more server capacity and secure reliable supplies.
Cummins has a strong position in this market. It makes engines, alternators and power systems, while its service network helps customers keep equipment running. Gonzalez makes that point throughout the interview, and the company’s financial results show that demand is already translating into sales.
That’s a legitimate business opportunity. Data-centre operators need resilient power, and Cummins has products suited to their requirements.
However, being well placed to serve a growing market doesn’t make every green claim convincing. Investors may welcome rising sales, while customers value dependable machinery and fast repairs. None of those interests removes the need for honest carbon figures.
The irony is that Cummins barely needs the environmental theatre to explain its success. Data centres need power, Cummins sells power systems and the company’s engineers understand how to keep them working. That’s a compelling business proposition without dragging European household gadgets into a courtroom drama about industrial combustion.
Instead, the interview offers a claim so neatly suited to defending the industry’s image that it practically begs for somebody to examine the figures.
If EUROPGEN has reliable data showing that standby fleets produce less carbon than household devices, publish the calculation. Let readers inspect the assumptions and decide what the comparison tells them.
Surely that would be better than asking the public to accept a remarkable statistic because somebody remembers hearing it at an industry meeting.
An AI Asset With A Diesel Accent
What makes the Gonzalez interview revealing isn’t any single statement. It’s the combination of Cummins’ plans and the way the company explains them.
Cummins wants a greater share of the AI data-centre market, more powerful generating equipment and a wider role in electricity supply. It also wants to present itself as part of a cleaner energy future. Each ambition may have a sound business or engineering basis, but together they deserve scrutiny.
The problem isn’t that Cummins makes diesel generators. Those products serve important needs, and replacing them overnight would create serious problems for critical sites. Nor is there anything improper about an engineering company pursuing opportunities created by the AI boom.
The problem lies in how readily the language changes when the subject moves from commercial opportunity to environmental cost.
If rising data-centre demand means more industrial power equipment, say so. Should integrated systems work differently from conventional standby units, explain how their carbon output might change. Where cleaner fuels or batteries can reduce pollution, provide figures that customers can examine.
And if somebody at an industry meeting produces a remarkable calculation showing that Europe’s standby generators barely matter compared with household gadgets, perhaps ask to see the fucking spreadsheet before putting it in the magazine.
That isn’t an unreasonable expectation from a company with Cummins’ engineering resources.
The Standby Light Is Still On
The latest Cummins interview captures the company’s changing business outlook rather neatly. A traditional power-generation operation has gained renewed attention because AI needs extraordinary quantities of electricity. Existing engineering skills have become valuable in a growing market, and Cummins intends to supply it.
Meanwhile, the green explanation seems to change almost as quickly as the sales pitch.
Yesterday’s story centred on cleaner technologies that might eventually replace established combustion products. Today’s celebrates the power systems needed to sustain a vast digital economy. Tomorrow’s may focus on generators, batteries and grid resilience, depending on where customers and commercial demand lead.
Those developments aren’t inherently dishonest. But the claims surrounding them deserve scrutiny, especially from a company that repeatedly celebrates its commitment to environmental responsibility.
For now, Ignacio Gonzalez has supplied TCAP with one of the stranger defences of industrial power generation in recent memory. Apparently, the greater environmental menace may be sitting quietly beneath your television, drawing a few watts while an enormous diesel engine waits for somebody to demand thousands of kilovolt-amperes.
It’s a delightful comparison, provided nobody asks too many questions about running hours, carbon factors, future duties or the rules governing diesel generators that provide grid services.
Cummins has discovered the AI boom. The machines are getting bigger, the market is getting richer and the environmental language is becoming wonderfully inventive.
Yet when the defence of industrial combustion depends upon pointing towards household gadgets, perhaps somebody should stop admiring the standby light and examine what happens inside the generator room.
The television isn’t running on diesel, Nacho. And it certainly isn’t the bastard asking for a bigger role in the electricity grid.
Lee Thompson – Founder, The Cummins Accountability Project
Sources
- Cummins – Rising To The Power Challenge
- Cummins – Second Quarter 2026 Financial Results
- Cummins – Fourth Quarter And Full-Year 2025 Results
- Environment Agency – Specified Generator Permit Requirements
- Environment Agency – Emergency Backup Diesel Engines, Best Available Techniques
- European Commission – New Standby Energy Consumption Rules
- International Energy Agency – Energy Demand From AI