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Energenics – 10 years with Stagecoach

Stagecoach cuts carbon emissions through innovative fuel saving additive

Stagecoach Group has cut its CO2 emissions from its bus fleet in the UK by more than 188,000 tonnes over the past 8 years through use of a hi-tech fuel additive.

The EnviroxTM fuel additive, which was developed by scientists in Oxford, has achieved a 5% annual reduction in fuel consumption and associated emissions.

The carbon saving to date alone equates to the average CO2 emissions produced by nearly 25,000 UK residents in a year, based on official Government statistics1.

Use of the fuel additive has also helped customers and communities across the UK benefit from lower fares and better local air quality.

Stagecoach announced the results as it confirmed it had signed a new three-year supply agreement for the EnviroxTM fuel saving additive.

Developed using sophisticated nanotechnology, the product is supplied by Energenics Europe Ltd, the owners of the EnviroxTM businessbased at Begbroke Science Park.

Stagecoach, one of the UK’s biggest bus operators, began the roll-out of EnviroxTM across its 7,900-vehicle bus fleet in December 2004. The company’s buses carry around 2.5 million passengers every day and travel around 330 million miles every year. EnviroxTM has also been introduced in depots which have been acquired or upgraded.

In 2010, Stagecoach Group extended the use of EnviroxTM to Canada and the product is now used in more than 8,300 of the company’s buses and coaches in the UK and North America.

Les Warneford, Managing Director of Stagecoach UK Bus, said: “Fuel is one of our biggest costs. Basic prices are continuing to increase and bus operators across the UK have had to absorb a significant tax hike on their fuel since April last year. These factors have a direct impact on the cost of travel for our customers.”

“Stagecoach has twice been independently assessed as providing the best value fares of any major bus operator in the UK. But we are continuing to focus on ways we can help save our customers money.”

“Our pioneering use of this innovative fuel additive in the UK has helped improve the sustainability of our operations, protect local air quality, improve fuel efficiency, and keep bus fares low.”

Mike Attfield, Chief Executive Officer of Energenics Europe Ltd, said: “By the end of the new three-year supply contract, Stagecoach will have used Envirox for over 10 years. This is a great endorsement of the effectiveness of the product and a good example of being green and smart. By identifying the potential of the then new technology and adopting it at an early stage, Stagecoach gained a valuable competitive advantage.”

EnviroxTM is based on a well-known oxidation catalyst widely used in catalytic converters. The material has been re-engineered using nanotechnology to allow it to be delivered as a fuel-borne catalyst. This ensures a cleaner burn within the combustion chamber, resulting in improved fuel efficiency and lower emissions.

Nanotechnology is used to design and build materials at the atomic scale. Scientists work in nanometres, each of which is 1/80000th of the diameter of a human hair. No engine modifications are required to use EnviroxTM. It has no impact on lubricant performance and the optimum dose rates are low.

Stagecoach Group has cut the carbon intensity (kg CO2 per £ of turnover) of its businesses in the UK and North America by more than 20% in the past four years.

The Group is targeting an overall absolute reduction of 8% in carbon emissions from buildings and a cut of 3% in carbon emissions per vehicle mile from annual fleet transport by April 2014. Specific stretching targets have been set for each of its bus and rail businesses. The strategy is supported by an £11million green investment programme. Employee initiatives and eco teams set up by staff have also helped drive dramatic improvements in energy and carbon efficiency.

Ben Roeves