Download certificate Vehicle Information Manufacturer: Alexander Dennis Model: Enviro400CBG Technology: Biomethane / CNG Vehicle Type: Bus Bus Type: Double Deck Vehicle Length (m): 11.5 Total passenger capacity: 82 Seated capacity: 74 Measured Unladen Weight (kg): 12,107 Zero Emission Capability Estimated Range (km): N/A Battery Capacity (kWh): N/A Hydrogen Tank Capacity (kg): N/A Vehicle Energy Consumption (kWh/km) - UKBC Average: N/A Grid-to-Wheel (Charging) Efficiency (%): N/A Overall Energy Efficiency (kWh/km): N/A Environmental Credentials WTW greenhouse gas emissions (CO2e/km): 207.9 WTW CO2e per passenger km: 2.5 WTW saving compared to Euro VI diesel equivalent (%): 83% Download certificate Email Website Back to certificates hub