Natural choice

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Electric power is by no means the only option for bus operators looking to slash emissions. For First West of England, biogas was the perfect solution. Peter Jackson reports on the unveiling of its first batch of gas buses

When it comes to environmentally-friendly buses, electric power usually takes centre stage. It’s not hard to see why; battery-powered buses are almost totally silent, don’t produce any ‘tailpipe’ emissions and, although they don’t have the range of an equivalent diesel bus, the technology has come so far in recent years that they can now cover a multitude of services with ease.

However, they’re not a ‘one size fits all’ solution by any means. And while they’re clean once they’re out on the road, there are still question marks over battery disposal and manufacture, as well as the sustainability of the electricity used to charge them.
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