VAROPreem: why fuel economics and carbon accounting need separate tests

VAROPreem targets 2030 EBITDA above twice 2025 levels under mid-cycle assumptions.¹

The practical question is how a fuel producer converts an industrial investment into both durable earnings and a lower environmental footprint. These are related tests, but they are not interchangeable. A plant can produce a technically suitable fuel without earning an adequate margin; a profitable product does not automatically deliver the same emissions saving under every production pathway.

Archive photograph: Cressier refinery, Switzerland, April 30, 2023. “Cressier NE - Raffinerie”, photograph by Hadi. Source: Wikimedia Commons; CC0 1.0 public-domain dedication.

An existing refinery is a starting point, not a completed transition

At Cressier, VAROPreem plans annual co-processing of approximately 40,000 tonnes of renewable feedstock from 2027.²

To understand why existing refining equipment can matter, consider the underlying chemistry. The U.S. Department of Energy’s Alternative Fuels Data Center explains that renewable diesel is generally a hydrocarbon fuel produced from fats, oils and greases. One commercial pathway, hydrotreating, reacts these materials with hydrogen at elevated temperature and pressure using a catalyst. It belongs to a family of processes already familiar to petroleum refining.³

That connection helps explain the industrial appeal of adapting established assets. It does not establish that a particular conversion is cheap, immediate or technically unconstrained. Each project still needs its own evidence on equipment performance, feedstock handling, hydrogen supply and operating costs. The generic technology description is background, not verification of Cressier’s engineering design or commissioning schedule.

Compatibility needs a specification, not just a label

Renewable diesel and biodiesel are not synonyms. The DOE distinguishes hydrocarbon renewable diesel from biodiesel, which consists of mono-alkyl esters produced by transesterification. The difference matters for product specifications and blending decisions, not merely for branding.³

The same guidance explains that renewable diesel meets the U.S. ASTM D975 diesel specification and the European EN15940 standard for paraffinic diesel, but does not meet the minimum density requirement of conventional European EN590 diesel. Consequently, a claim that a fuel is chemically similar to petroleum diesel should not replace verification of the applicable fuel standard and vehicle requirements in the market where it will be used.

For an industrial buyer, this creates a chain of questions: what exactly is being supplied, which specification does it satisfy, and what documentation accompanies the delivery? For a producer, the implication is that manufacturing capability and a commercially usable product are different milestones. Reliable quality and appropriate market access are part of the investment case, rather than administrative details to be considered after construction.

Carbon performance follows the production chain

The U.S. Energy Information Administration stresses that burning biofuels still emits carbon dioxide. The net effect depends on how the fuel is produced and on the treatment of emissions associated with growing its feedstock. Heat used in production can involve fossil energy, while hydrogen made from fossil fuels can increase the emissions intensity of hydrogenated lipid-based fuels.⁴

EIA also explains why used cooking oil, animal fats and waste grease can have a different emissions profile from unused crop oils: the materials have already served another purpose before becoming fuel inputs. This makes feedstock origin and the boundaries of the calculation important. A favourable result for one pathway cannot simply be assigned to all products carrying a renewable label.

The editorial implication is straightforward: investors and customers should separate production capacity from verified carbon performance. Useful evidence would identify the feedstock, the process energy and hydrogen sources, the comparison fuel and the accounting boundary. This does not allege that any particular producer has misstated its performance; it identifies what would be needed to substantiate an environmental claim.

Earnings, cash and emissions require separate scorecards

EBITDA means earnings before interest, taxes, depreciation and amortisation. It is not a measure of cash remaining after investment and financing costs. Likewise, a mid-cycle assumption is a modelling convention rather than a promise that actual market conditions will be favourable in the target year. Assessing the plan therefore requires more than comparing a future earnings number with a historic one.

The operating test is whether equipment runs reliably and input costs leave a viable margin. The financial test is whether investment and financing requirements allow that operating performance to translate into cash. The environmental test is whether the actual fuel pathway supports the claimed lifecycle benefit. DOE identifies feedstock and production costs as challenges in scaling renewable diesel, reinforcing the need to assess the entire chain rather than output capacity alone.³

These tests suggest the evidence to watch as projects progress: commissioning and utilisation, documented product quality, feedstock and hydrogen sourcing, and the relationship between investment expenditure and operating returns. Passing one test does not automatically pass the others. The value of a transition strategy will become clearer through those operating results, not through the renewable label by itself.

Source notes

1. 2026-10-23 · VAROPreem sets out Value Growth Strategy to 2030 driving the next phase of growth · VAROPreem. ↩

2. 2026-10-06 · VAROPreem marks 60 years of Cressier manufacturing hub at the heart of Switzerland’s energy system · VAROPreem. ↩

3. Publication date not stated; accessed 2026-10-25 · Renewable Diesel · U.S. Department of Energy, Alternative Fuels Data Center. Government technical information reused under the DOE’s public-domain policy. ↩ ↩² ↩³

4. Publication date not stated; accessed 2026-10-25 · Biofuels and the environment · U.S. Energy Information Administration. Public-domain background under EIA’s Copyrights and Reuse policy; selection, adaptation and editorial analysis by Global Bole News. ↩