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Speaking at the AdBlue Forum, Tim Cheyne, managing director Integer
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Research, says: "There are more than 2,500 AdBlue pump sites in Europe, with 75 in the UK alone, but we think a bigger network is needed to meet future demands.
"Ideally, operators would prefer to top up their AdBlue where they fill up with fuel. Its not only easier to regulate and monitor supply, but it's far more convenient and reduces the risk of contamination."
Leading AdBlue suppliers such as GreenChem and Yara say that along with infrastructure development, product quality poses a major challenge to certified suppliers.
Bert Van Tilt, programme director at Yara, says: "There are many companies claiming to sell AdBlue, but its actually a sub-standard urea-based solution. It undercuts certified AdBlue suppliers on price, but it's often made using normal tap water, which contains limescale. Over time this builds up on the catalytic converter eventually destroying it, which means a costly replacement and servicing downtime."
The German Association of the Automotive Industry (VDA) is proposing a quality management chain where everyone from AdBlue producers right down to truck stops are certified and audited to ensure the end user is guaranteed to get the highest quality product.