21st Century emissions technology - a review

This article reviews the 21st Century Emissions Technology conference held by Institute of Mechanical Engineers (in December 2000) and summarises the latest developments in emissions control

Hydrogen: tomorrow's fuel or just hot air? The Icelandic Experience

Hydrogen is once again in the limelight, with rising fuel prices, the search for fuels beyond petrol and diesel is being debated even more hotly. The European fuel cell bus trial has been extended by one year and there has been much talk about the potential for hydrogen powered vehicles working during the London Olympics. These would bring even more people into contact with future fuels on perhaps boats and buses. The Department for Transport (UK) has also announced a major call for more research on hydrogen, clearly indicating a focus on both vehicles and infrastructure. So what is all the hype about this fuel and what does it mean for transport engineers in general? This article tries to address some of those issues by trying to understand hydrogen, and then by looking at how the Icelanders have used this remarkable fuel. There may be some meaningful lessons for the UK and other countries interested in implementing hydrogen

Island transport, car ownership and use: A focus on practices in Cuba, Malta, Mauritius and Singapore

Car ownership is growing in many countries and this growth results in further car use and increasing emissions – a trend diametrically opposed to a reduction of transport energy and longer term sustainability targets, and a problem that is particularly acute in island states across the world. The aim of this paper is to consider how various contextual factors influence the development of transport systems in four island states. Within this, the paper seeks to explore how transport systems have developed in Cuba, Mauritius, Malta and Singapore. The paper finds that a number of contextual factors have combined to result in four rather interesting transport outcomes

Pruning deciduous fruit trees /

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Evaluation of the implementation process of urban road pricing schemes in the United Kingdom and Italy

This paper is based upon detailed research that has taken place in the UK and Italy, on the implementation strategies for urban road pricing schemes. In the UK, both in London and Durham, the Road User Charging schemes required new legislation, and were implemented rapidly. The time from announcement to implementation took three years and the schemes were introduced after short periods of intensive planning, consultations and stakeholder networking. In Italy, the situation has been very different. The road pricing schemes in Rome and Genoa were not introduced under specific legislation but rather evolved from access control zones originally implemented in historic urban centres. The incremental introduction of the Italian road pricing experiments has taken approximately ten years. The paper undertakes a comparison of these different strategies to introduce urban road pricing and the lessons they contain for the development of similar measures elsewhere. The comparison of the different implementing experiences is undertaken using Strategic Policy Niche Management, a method designed to explore, among other factors, the dynamics of the stakeholder networks involved in planning, introducing, marketing and managing radical urban Travel Demand Management policies

'Smart' design: greening the Total Product System

About the book: Since the Rio summit in 1992, the paradigm of corporate environmental responsibility has gradually and consistently extended beyond complying with increasingly stringent environmental regulation and taking up the proactive initiatives of a few world-class companies. Research indicates that the business and financial performance of companies may depend directly on socially and environmentally responsible business practices. Many world-class companies now realize that customers and other stakeholders do not distinguish between a company and its suppliers. As a result, greening the supply chain is an innovative idea which is fast gaining attention in the industry. Greening the Supply Chain is a compilation of important chapters written by a diverse set of international authors which incorporates a broad variety of perspectives. Note: Smart car refers to Smart City coupe and Fortwo, and all terms are registered trademarks of MCC (micro compact car)

Tutors as learners: overcoming barriers to learning ICT skills

This paper explores the use of ICT to provide distance training for UK Open University (OU) Associate lecturers (ALs) and identifies the range of outcomes and issues which emerged. There is an increasing demand from many of our students for the University to provide more facilities and functions (both administrative or course-related) online or by electronic mail. To this end the University has attempted to increase the awareness of these computing-related issues with ALs by offering various methods of increasing ICT skills. One programme involved a contingent of ALs participating in an online short course. This paper will summarise some of the qualitative feedback along with the quantitative results in order to establish whether this course did indeed assist in tutors gaining some new computing skills. Furthermore, tutors made many additional comments about the process of learning and the experience of being a learner. Many of the issues raised were found to be important when designing a programme of study for those who take courses as a form of staff development