BuyZET: Procurement transportation and emission footprint report
Guidance document / Manual Indicator set Method / Approach
- Data gathering
- Appraisal and assessment
- Evaluation and monitoring
- Small cities
- Medium-sized cities
- Large cities
- Metropolitan regions
Background to the mapping report
BuyZET aims for procurement of innovative solutions for zero emission urban delivery of goods and services. This report outlines the methods and results of the transportation footprint mapping exercise that identifies high priority procurement areas. These procurement areas have the potential, through improved processes and supplier solutions, to impact upon the transportation footprint of a public authority.
Summary of mapping approach
The first step in mapping the transportation footprint is to identify and include all activities performed by cities that involve transportation. Each city within the BuyZET project – Copenhagen, Oslo and Rotterdam – has studied the transportation impacts of different types of procurement activities following different methodologies developed within the project.
These activities are divided into three distinct categories, according to the transport ownership and type of service provided. Category 1 relates to the city owned fleet, such as office car fleet, garbage trucks, or vehicles used by maintenance staff. Category 2 is transport services that are procured, including bus services, social transportation and school transport. Category 3 is delivery of other procured goods and services, for example office supplies, cleaning services, school catering, construction or road maintenance. Each city will then identify two priority procurement areas to focus on for the project.
The BuyZET methodology uses three footprint calculation methods: fuel based (the total volume of fuel consumed by a fleet over a year), distance based (the total distance travelled by vehicles in different categories), and spend based (the total amount spent on, or average price of, fuels). Appropriate emissions factors are applied to the collected data from each of these methods.
Depending on the information available for each procurement category, all of these methods can be utilised to map the footprint.