Farewell to the Boris Bus

Why It Matters

The premature retirement represents a multi‑million‑dollar loss for TfL and highlights the challenges of transitioning legacy fleets to greener technology, while signaling the mayor’s commitment to an electric‑only future.

Key Takeaways

• TfL will retire 1,000 hybrid buses by 2028.
• Buses cost about $438k each, double standard double‑decker price.
• Hybrid models suffered battery failures, increasing emissions.
• Mayor Khan halted further purchases in 2016, favoring electric fleet.
• Conductors added $78k yearly per bus, later removed.

Pulse Analysis

The New Bus for London was conceived as a high‑profile replacement for the iconic Routemasters, yet its execution fell short of expectations. Designed by Thomas Heatherwick and built by Wrightbus, each vehicle cost roughly $438,000—significantly higher than the $238,000 price tag of a standard double‑deck. Persistent battery failures forced many hybrids to revert to diesel, raising emissions and prompting passenger complaints about heat, cramped interiors, and unreliable doors. The added expense of conductors, estimated at $78,000 per bus annually, further strained TfL’s budget, turning the fleet into a costly white elephant.

Political dynamics accelerated the buses’ demise. Mayor Sadiq Khan publicly opposed additional orders in 2016, positioning himself against the previous administration’s legacy projects. His current push for a zero‑emission fleet aligns with London’s broader climate agenda and the UK’s net‑zero targets, making the hybrid fleet an impediment rather than an asset. By withdrawing the buses from three routes now and the remainder by 2028, Khan signals a decisive shift toward fully electric double‑deckers, which promise lower operating costs and compliance with upcoming emissions regulations.

The episode offers cautionary lessons for public‑sector procurement worldwide. Investing heavily in unproven technology without robust testing can lock agencies into expensive, underperforming assets. TfL’s experience underscores the importance of flexible contracts that allow for early retirement or retrofitting, especially as electric propulsion becomes mainstream. As other cities evaluate their own fleet upgrades, the London case highlights the financial risk of hybrid hybrids and the strategic advantage of committing early to proven electric solutions.