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Trends in Transport Energy Use and Emissions: Policy Implications and Future Projections

This report explores the trends and projections of energy use and emissions in the transport sector of Australia, presented at the BTRE Transport Colloquium in June 2006. It examines factors influencing transport energy consumption, including population growth, income levels, technological innovations, public preferences, and travel costs. The analysis reveals a steady increase in passenger and freight transport tasks, highlighting the urgent need for effective policy measures to address rising emissions and energy demands. The findings aim to inform future transportation policies and strategies.

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Trends in Transport Energy Use and Emissions: Policy Implications and Future Projections

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  1. Trends in energy for transport —What are the policy implications?Trends and projections of transport energy use and emissions 14-15 June 2006Parliament HouseCanberra David Cosgrove BTRE Transport ColloquiumTransport Reform, Competition and the Future

  2. Transport Energy Trends – Underlying effects • Population increases and demographic effects • Income increases and other economic impacts • Technical innovation or changing technology • Public preferences and behavioural responses • Costs of travel (fuel prices, fares, vehicle prices, congestion etc) • Increasing personal mobility (combined with limited time for daily travel)

  3. Steadily increasing passenger and freight tasks • Steadily increasing transport energy use

  4. Relationship between per capita travel and per capita income levels

  5. Modal share of urban transport Source: BTRE (2005, 2003), BTRE estimates. (LCVs = light commercial vehicles)

  6. Base case projections Source: BTRE (2005), BTRE estimates

  7. Total Australian Passenger task Base case projections Source: BTRE (2005), BTRE estimates – for domestic transport. (Other = mostly LCVs + motorcycles)

  8. Total domestic freight task Base case projections Source: BTRE (2005, 2006), BTRE estimates

  9. Total motor vehicle travel Source: BTRE (2005, 2003), BTRE estimates

  10. Trends in engine efficiency – New cars Sources: BTRE (2002b), US EPA

  11. Trend in engine power – new light vehicles Source: BTRE (2002b)

  12. Trend in average fuel consumption – New sales Source: BTRE (2002b) – note: all light vehicles, including 4WDs and LCVs

  13. Energy use by Australian domestic transport Source: BTRE (2005, 2002a) – note: includes coal used for electric rail generation

  14. Liquid fuel use – Domestic and International transport Source: BTRE (2005, 2002a) – note: does not include military fuel use

  15. Projected trend in Greenhouse Gas Emissions Total transport sector emissions for Australia – including domestic civil transport, fuel sales to international carriers and the military, energy used in fuel refining or conversion, and energy used in vehicle manufacture and transport services Source: BTRE (2005, 2002a) – gigagrams of CO2 equivalent emissions

  16. Trends in noxious urban air emissions NOx PM HC CO Source: BTRE (2003), BTRE estimates

  17. Transport energy trends by mode Base case projections Source: BTRE (2005, 1996) – note: includes Australian fuel sales to international transport

  18. Trends in energy for transport — What are the policy implications? David Cosgrove Trends and projections of transport energy use and emissions

  19. References and further reading: • BTRE (2002a), Greenhouse Gas Emissions From Transport: Australian Trends To 2020, Report 107 • BTRE (2002b), Fuel consumption by new passenger vehicles in Australia, Information Sheet 18 • BTRE (2005), Greenhouse Gas Emissions from Australian Transport: Base Case Projections To 2020, Report to AGO, August 2005, www.btre.gov.au/docs/monitoringreports/BTRE_AGO_05.pdf • BTRE (2006), Freight Measurement and Modelling in Australia, Report 112 • BTE (2000), Urban Congestion - The Implications for Greenhouse Gas Emissions, Information Sheet 16 • BTCE (1996), Transport and Greenhouse: Costs and options for reducing emissions, Report 94 • Cosgrove, D. & Mitchell, D. (2001), ‘Standardised Time-series for the Australian Road Transport Task’, Proceedings of the 24th Australasian Transport Research Forum, Hobart 17 April 2001, Tasmanian Department of Infrastructure, Energy and Resources • Cosgrove, D. C. (2003), Urban Pollutant Emissions From Motor Vehicles: Australian Trends To 2020, Final Draft Report for Environment Australia, June 2003; study conducted for the Department of Environment and Heritage, BTRE 2003; www.btre.gov.au/docs/joint_reports/urbanpollutants_draft.aspx • Cosgrove, D.C. & Gargett, D. (1992), ‘The Australian Domestic Transport Task’, Papers of the Australasian Transport Research Forum, vol. 17, part 1

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