Vodafone Carbon Case Study

TomTom and Zenith Hygiene Group

March 2012

Zenith Hygiene Group plc own and run a fleet of 61 lorries to deliver cleaning and hygiene products to a wide variety of customers across the UK; from hotels and restaurants in the hospitality sector to companies in the food and drinks manufacturing sector. In order to make their logistics processes more efficient, to save time, fuel and money, they researched various satellite navigation and tracking systems and eventually chose the system offered by TomTom. 

From june onwards the system was fully installed and used to track the performance of the lorry drivers. 

To demonstrate the carbon benefits of their products, both Vodafone and TomTom were keen to explore and quantify the net Carbon savings that their joint offering allows for ultimate clients like ZHG, who were similarly interested to understand the carbon and financial benefits. Environmental Resources Management Ltd (ERM) were hired to undertake a case study on TomTom’s system installed in the ZHG lorries using the internationally accepted GeSI ICT Enablement Methodology. 

The results show an estimated yearly net saving of nearly 600 tonnes of CO2 per year when the business-as-usual 'before' situation is compared to the ICT-enabled ‘after’ situation once the system was implemented. This is equivalent to a 28% saving in C02 emitted by the delivery lorries. It is also the same as the amount of CO2 emitted in 1,000 lorry trips from London to Manchester and back. 

In financial terms, it is estimated that if ZHG continue at the current level of fuel efficiency, they could save in the region of £218,000 per year on fuel costs, with a further potential £50,000 on reduced maintenance costs. Putting these numbers in terms of financial payback periods, a cost outlay of some £245,900 for the TomTom units is recouped within three months through the savings.


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