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Reducing carbon emissions from the transport sector has become a critical imperative for public policy as our understanding of the impacts of the mobility system on the environment has developed. This paper contrasts policy development in three cities (Aberdeen, Bremen and Malmö) that collaborated as part of a European Union knowledge exchange programme designed to share innovative approaches to carbon reduction in the transport sector. We identify a number of critical aspects of governance, including the approach to policy formulation and implementation, and the status of consensus and cohesion, as key determinants of transport outcomes. We conclude that the degree of institutional alignment evident in each city’s governance network is crucial in explaining their appetite for the pursuit of low carbon policies, and in turn the real potential for policy transfer to occur as envisaged by European Union collaboration frameworks. [ABSTRACT FROM AUTHOR]

The European Union (EU) is widely assumed to be a global environmental leader, especially in addressing climate change, though this reputation suffered greatly when European leaders were sidelined during the 2009 United Nations Climate Summit in Copenhagen. Subsequently, however, the EU has made significant progress in extending its Emission Trading System to the aviation sector, one of the fastest-growing sources of greenhouse gas emissions, and did so not only regionally, but also managed to get it onto the global policy agenda. This contribution investigates the EU's role in shaping the 2013 International Civil Aviation Organization (ICAO) resolution committing 191 government signatories to developing a global market-based measure to cap international aviation's carbon pollution. While not exactly setting new environmental standards or achieving definitive regulatory success, the case illustrates the agenda-setting capacity of the EU through leveraging its market power and adopting an explicitly extra-territorial rule to induce potential regulatory co-operation. [ABSTRACT FROM AUTHOR]

For obtaining type approval in the European Union, light-duty vehicles have to comply with emission limits during standardized laboratory emissions testing. Although emission limits have become more stringent in past decades, light-duty vehicles remain an important source of nitrogen oxides and carbon monoxide emissions in Europe. Furthermore, persisting air quality problems in many urban areas suggest that laboratory emissions testing may not accurately capture the on-road emissions of light-duty vehicles. To address this issue, we conduct the first comprehensive on-road emissions test of light-duty vehicles with state-of-the-art Portable Emission Measurement Systems. We find that nitrogen oxides emissions of gasoline vehicles as well as carbon monoxide and total hydrocarbon emissions of both diesel and gasoline vehicles generally remain below the respective emission limits. By contrast, nitrogen oxides emissions of diesel vehicles (0.93 ± 0.39 grams per kilometer [g/km]), including modern Euro 5 diesel vehicles (0.62 ± 0.19 g/km), exceed emission limits by 320 ± 90%. On-road carbon dioxide emissions surpass laboratory emission levels by 21 ± 9%, suggesting that the current laboratory emissions testing fails to accurately capture the on-road emissions of light-duty vehicles. Our findings provide the empirical foundation for the European Commission to establish a complementary emissions test procedure for light-duty vehicles. This procedure could be implemented together with more stringent Euro 6 emission limits in 2014. The envisaged measures should improve urban air quality and provide incentive for innovation in the automotive industry. [ABSTRACT FROM AUTHOR]

The article discusses global carbon emissions trading, strategies to prevent climate change, and the Emissions Trading Scheme that was developed by the European Union (EU). Climate change mitigation strategies such as emissions cap-and-trade options and carbon taxation are market-based and influence economic dynamics. The strategies of command and control of emissions, grassroots activism, and incentives for the production and consumption of renewable energy are state-oriented. The nongovernmental organization Environmental Defense is mentioned, as well as statistics showing a transfer of wealth to polluters in several EU countries and the distinction between "reformist reforms" and "non-reformist reforms" in institutional theory.

The article reports that European Union (EU) Member States have individual emission limits to be achieved by 2010 for different pollutants such as sulphur dioxide, nitrogen oxides, ammonia and non-methane volatile organic compounds (NMVOC) under the National Emission Ceilings (NEC) Directive.