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Clean Accessible Transport for Community Health Evaluating the CATCH Project www.cleanaccessibletransport.com. Alan Lewis, Transport & Travel Research Ltd. Introduction. Evaluation is governed by the project objectives & expected results. i.e.: Promote partnership working

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Clean Accessible Transport for Community Health

Evaluating the CATCH Project

www.cleanaccessibletransport.com

Alan Lewis, Transport & Travel Research Ltd


Introduction

  • Evaluation is governed by the project objectives & expected results. i.e.:

  • Promote partnership working

  • Improve urban air quality

  • Reduce greenhouse gas emissions

  • Expand use of clean fuels in public transport & local authority fleets


Partnership Working

  • Ensuring relevant partners are included at the start is imperative to ensure delivery

  • Institutional framework has a massive impact in determining outcomes

  • Regulations and guidance help reinforce the message but must be backed up by communication & action


Technical Solutions: Air Quality

  • Particulate filters on older buses have been extremely effective:

  • Particulates down 80-95%

  • CO down 90%

  • Hydrocarbons down 90%

  • NOx reduction technologies promise a way of completing the job:

  • EGR 30-50%, SCR more….?


Technical Solutions: Air Quality

  • Without forcing a massive fleet renewal, could reduce:

  • Bus particulate emissions (25% of the total) by a further 40%

  • Bus NOx emissions (47% of the total) by a further 18%


Air Quality vs Greenhouse Gases

  • Often find technologies that can address only one of air quality or greenhouse gas emissions at reasonable cost

  • The hybrid buses now being trialled offer a technical opportunity to address both

  • But who pays the price in the commercial world?


The Importance of Public Behaviour Change

  • Cars contribute the majority of CO2 emissions from transport in Liverpool city centre (and elsewhere for ground-based transport)

  • LCC have trialled 2 hybrid cars to demonstrate a technical improvement

  • But transfer to other modes (walking, cycling & public transport) gives a much greater impact on CO2 and helps further cut other emissions


Efforts to Influence Behaviour

  • General awareness raising is first step…

  • Planning activities and can help influence travel decisions through parking and access restrictions

  • Partnership working with developers and community groups could have much greater impact than has been seen to date in the city

  • Fleet managers appear to have good awareness, but are subject to commercial pressures


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