Stagecoach Transport group, which operates 7,000 buses across the UK, is to adopt a fuel saving compound across its entire fleet after tests showed that it reduced usage by 4%.
The Perth based company first started using the diesel additive in 2004, but started a validation test last year, involving 550 vehicles. The results showed a consistent 4.3% saving.
Adrian Havlin, Stagecoach’s group technical engineer, said: “Our vehicles have driven more than 700 million miles on Envirox, and to achieve a consistent result across a diverse fleet over three years testifies to the robustness of the technology.
“We are particularly pleased with the performance of the product both in ultra low sulphur diesel and in blends containing biodiesel, which are now in widespread use across our fleet.”
The additive marketed under the trade name of Envirox, is made by Oxfordshire based Oxonica, who have also run trials in Italy and Germany with results over six months showing reductions of between 5% to 10% in usage.
Oxonica’s chief executive Dr Kevin Matthews said reducing diesel fuel use by 5% in the UK would save three million tonnes of carbon dioxide per year.
He said: “The evidence for the performance of Envirox is becoming increasingly compelling at a time when the issues of climate change and high fuel costs are becoming acute.”
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