The Commercial Vehicle Show - logo image

13 - 15 APRIL 2021 • NEC • BIRMINGHAM • UK

Double decker is the latest to secure ULEB certification

The British-built ADL Enviro400ER double decker has become the latest passenger transport vehicle to be fully certified as an Ultra Low Emission Bus (ULEB) by the Low Carbon Vehicle Partnership (LowCVP).

As reported in last week’s TNB, a ULEB saves 30% well-to-wheel greenhouse gas emissions over the UK Bus Cycle compared to a Euro VI diesel bus of equivalent passenger capacity.

Certification means the ADL Enviro400ER is now eligible for the six-pence-per-kilometre ULEB incentive.

An electric range hybrid, the Enviro400ER was developed in partnership with BAE Systems and is capable of running in zero-emission mode for up to three consecutive miles.

It is powered by a 32kWh battery and charged by an on-board generator. This offers zero emissions mobility without any dependency on additional external charging infrastructure. Alternatively, it can be charged externally through an industry standard plug-in connection.

LowCVP testing confirmed the model saves 31% well-to-wheel greenhouse gas emissions over the UK Bus Cycle compared to a Euro VI diesel bus of equivalent passenger capacity. It also confirmed the vehicle is capable of self-charging for repeated zero-emission operation without causing spikes in NOX emissions.

ADL launched the Enviro400ER in 2019 when Go-Ahead Group’s Brighton & Hove introduced 30 of the double deck buses to cut out emissions in Brighton’s Ultra Low Emission Zone. The plug-in version has been chosen by the Republic of Ireland’s National Transport Authority in a framework deal for up to 600 Enviro400ER, the first 100 of which will be delivered later this year.


Commercial Vehicle Show is owned and operated by The Commercial Vehicle Show LLP whose members are:
IRTE Services - logo image
The Road Haulage Association - log image
SMMT - logo image


 - The Commercial Vehicle Show LLP
closebarsarrow-down-circle linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram