Why Durability Testing Now Sits at the Intersection of Compliance and Sustainability

by | Mar 11, 2026 | Blogs, Catalyst Ageing, Green Emissions Testing, Motorcycle

by Daniel McAfee, Solutions Engineer, CATAGEN Green Emissions Testing

For a long time, emissions durability testing had a simple purpose: prove the vehicle meets the regulation.

Run the cycle.
Validate the catalyst ageing.
Move the programme forward.

But things have changed.

As motorcycle manufacturers expand exports and commit publicly to environmental targets for 2030 and beyond, durability validation now carries a second responsibility, supporting the credibility of those environmental claims.

And that changes how durability evidence needs to be generated.

At CATAGEN, we’re seeing this shift first-hand. Manufacturers are no longer just asking “does it pass?,” they’re asking “can we prove this result is robust?”

Export programmes are raising the bar

As manufacturers expand into markets like Europe and the UK, emissions scrutiny increases.

Euro 5+ expectations don’t just look at the final test result. Regulators and technical services increasingly look at how durability assumptions were derived and whether ageing results are repeatable.

If test results vary significantly between runs, or if ageing behaviour is difficult to explain, programmes can face delays, even when the vehicle technically passes.

This is why repeatability is becoming just as important as performance.

Durability evidence now supports sustainability claims too

Many manufacturers now publish sustainability commitments, often tied to 2030 targets around emissions, energy use, and environmental impact.

That means emissions performance data doesn’t just sit inside engineering teams anymore. It often feeds into:

• environmental reporting
• investor communications
• externally assured sustainability disclosures

When that happens, the quality of the validation method matters more than ever.

If ageing assumptions are inconsistent, or durability results vary significantly, it becomes harder to stand behind environmental claims with confidence.

Durability validation quietly underpins sustainability credibility.

The challenge with traditional ageing approaches

Most durability validation still relies heavily on engine-based ageing methods.

These can work well, but they also introduce variables such as fuel quality, engine behaviour, operating conditions, that can make results harder to reproduce exactly.

When programmes need clearer, more repeatable ageing evidence, these variables can become a problem.

That’s where new approaches are starting to make a difference.

CATAGEN’s synthetic ageing technology (Omega), removes engine variability from the process entirely. By ageing catalysts without using an engine or fuel, the method delivers highly repeatable ageing profiles with <2% test-to-test variability.

This helps engineering teams understand catalyst behaviour earlier, identify drift sooner, and generate durability evidence that is easier to explain to regulators and stakeholders alike.

Durability testing is becoming programme infrastructure

Durability validation used to be viewed as a step before SOP.

Today, it plays a much broader role.

Strong durability evidence supports:

• export homologation
• OBD robustness
• reduced late-stage calibration risk
• defensible environmental reporting
• long-term emissions credibility

In other words, durability testing is becoming part of the infrastructure that supports both compliance and sustainability.

Manufacturers that build repeatability into their validation approach early tend to avoid difficult questions later.

And that’s ultimately the goal, not just passing once, but being able to stand behind the result with confidence.

 

Speak to CATAGEN about how Omega can help you quantify durability margin early, reduce export risk and protect long-term compliance confidence – https://catagen.com/contact