UK Transport Fleets Accelerate Towards Net Zero with New Milestones

Welcome to Net Zero News, your daily briefing on the UK’s transition to a low‑carbon future.

In recent months, the UK transport sector has made notable headway in reducing emissions by electrifying fleets, enhancing charging infrastructure and identifying critical policy gaps. Transport for London (TfL) now operates over 2,000 zero‑emission buses a milestone that equates to around 20% of its overall fleet. Just a decade ago, that number stood at a mere 30 vehicles. TfL’s ambition remains a fully zero‑emission bus fleet by 2030, a shift expected to abate five million tonnes of carbon emissions over two decades. Additionally, TfL’s climate targets have earned validation from the Science Based Targets initiative (SBTi), reinforcing commitments to slash direct emissions by 90% and indirect emissions by 45% by 2030, and to achieve net zero by 2040. As part of its green energy strategy, TfL is also adopting renewable electricity and LED lighting across its network.

Logistics and commercial fleet operators have also made substantial progress. Mitie recently announced the deployment of its 6,000th electric vehicle under its ‘Plan Zero’ initiative. Nearly three quarters (73%) of Mitie’s fleet is now electric. To support this transition, the firm has installed more than 6,000 charge points at employee homes and customer sites. The milestone underlines rapid fleet evolution, with over 2,000 EVs added during 2024 alone as part of a broader mission to operate a zero‑emission fleet by end of 2025.

Royal Mail has likewise reinforced its green delivery ambitions by introducing its 6,000th electric vehicle. This expansion is part of a multi‑year push to electrify its fleet, which includes plans to add over 2,100 Peugeot electric vans. The shift is projected to eliminate around 6,000 tonnes of CO₂ annually, supported by renewable onsite charging and the use of hydrotreated vegetable oil (HVO) in heavier vehicles, delivering up to 90% lower direct carbon emissions than diesel.

Not all fleet trends show growth, however. Demand for zero‑emission heavy goods vehicles (HGVs) declined by 7.3% in 2024, with just 217 units sold—a steady 0.5% of the HGV market. Despite manufacturers expanding choices and the UK government’s mandate to ban new non‑zero emission HGVs under 26 tonnes by 2035, higher acquisition costs remain a barrier to faster uptake.

In response, industry body Zemo Partnership is leading a policy initiative to bridge gaps in the UK’s road transport decarbonisation framework. Commissioned by the European Climate Foundation, Zemo will develop a “Map of Missing Policies” by June, informed by consultation across the UK’s four nations. The aim is to ensure all strands of policy—from energy and finance to planning and skills work cohesively to reach net‑zero transport by 2050 (2045 in Scotland).

Charging infrastructure developments continue to support these fleet transformations. Cumberland Council has secured £3.5 million in funding to deploy on‑street charging points, targeting areas where 70% of residents lack off‑street parking. Complementing this, a new government-backed bulk grant for depot electrification, administered by Cenex and Energy Saving Trust, will reimburse up to 75% of charger procurement and installation costs to HGV, van and coach operators—strengthening infrastructure in the commercial transport sector.

What this means:

These developments reflect a multi‑faceted momentum in decarbonising UK transport. Public transit, logistics and corporate fleets are driving down road emissions through electrification, validated by frameworks like SBTi. However, the drop in zero‑emission HGV uptake underscores the need for lower-cost vehicles and stronger policy incentives. Ongoing initiatives such as the Zemo policy roadmap, infrastructure grants, and local charging installations are vital to sustaining and expanding this transition.

Achieving net zero in transport will require continued public‑private collaboration, investment in infrastructure, and policy clarity. Progress so far demonstrates what’s possible but forward momentum must be maintained and broadened across sectors.

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