Fleet operators report Scope 3 vehicle-cleaning emissions in 2026 by using verified per-service data from specialist providers, aligning with CSRD Article 19a and ESRS E1 requirements. MMCC supplies water saved (litres), CO2e per visit, and waste diverted per cleaning, enabling accurate Category 1 (purchased goods and services) disclosure.
Understanding Scope 3 Category 1 for vehicle cleaning Scope 3 emissions cover indirect activities in a company’s value chain. Category 1 includes purchased goods and services, under which outsourced vehicle cleaning falls. Fleet managers must quantify the environmental impact of each cleaning event, translating activity data into CO2e using recognised conversion factors.
Regulatory framework: CSRD Article 19a and ESRS E1 The Corporate Sustainability Reporting Directive (CSRD) Article 19a mandates disclosure of Scope 3 emissions where they are significant. The European Sustainability Reporting Standards (ESRS) E1 specify that undertakings report GHG emissions across all relevant Scope 3 categories, providing detailed guidance on data collection, calculation methods and assurance.
Industry guidance: BVRLA recommendations The British Vehicle Rental and Leasing Association (BVRLA) advises members to obtain verifiable emissions data from service providers for accurate fleet reporting. BVRLA guidance emphasizes using actual service records rather than estimates, and recommends documenting water use, energy consumption and waste outcomes per service.
Emission factors: DEFRA GHG Conversion Factors DEFRA’s annual GHG Conversion Factors for Company Reporting provide trusted benchmarks. For water-related activities, factors include water supply (0.149 kgCO2e/m³) and water treatment (0.272 kgCO2e/m³). Fleet managers apply these factors to measured water volumes to derive CO2e equivalents for cleaning processes.
What MMCC provides for Scope 3 reporting
- Verified per-service records: water saved (litres), CO2e per visit, waste diverted
- Data aligned with CSRD Article 19a and ESRS E1 requirements
- Compatible with BVRLA-recommended actuals-based approach
- Ready for mapping to ESG platforms under Scope 3 Category 1
Integrating the data into ESG reports Fleet managers map each cleaning event to their ESG system’s Scope 3 Category 1 field. The outward postcode of the service location serves as the geographic dimension, while the verified litres of water saved and CO2e per visit supply the quantitative inputs. Waste diversion figures support additional environmental metrics.
Internal resources for fleet operators MMCC publishes location-specific pages that help fleet managers verify service availability and environmental performance. For example, our mobile car valeting in Esher and mobile car valeting in Cobham pages outline the areas covered. Fleet enquiries should be directed to our Corporate fleet solutions page for data samples and service agreements.
Closing CTA Fleet managers can request a sample Scope 3 data export by visiting our Corporate fleet solutions page.