The futuristic all-electric Mercedez-Benz bus is back in Harrogate this week for another trial along a popular local route.

The Harrogate Bus Company are preparing for the introduction of 39 new zero-emission buses in a bid to convert its entire fleet to electric power.

And the Mercedes-Benz E-Citaro bus will be back for another trial along the 1 route this week, linking Harrogate and Knaresborough.

The silver trial bus tested is powered by high-performance water-cooled batteries which use up-to-the-minute technology to extend running time between charges.

The bus is almost silent in operation and produces no tail pipe emissions.

Harrogate Bus Company CEO Alex Hornby tweeted:

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