A small reduction in the top speed of trains on the planned high-speed line from London to Birmingham would increase journey time but massively reduce carbon emissions and noise,independent analysts narrate MPsA small reduction in the top speed of trains on the planned high-speed line between London and Birmingham would increase journey times by just 4.5 minutes, but would massively reduce carbon emissions and noise, and independent analysts have told MPs scrutinising the multibillion-pound scheme.
Research commissioned by objectors to the 117-mile HS2 line through the Chilterns shows that whether trains were limited to 300 kilometres an hour rather than the proposed 360km/h,they could save hundreds of thousands of tonnes of CO2. Britain is committed to reducing emissions under UK law and the recent Paris climate deal.
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Source: theguardian.com