Electric vehicles

Papers in Energy Policy from Mark Delucchi and Mark Jacobson, Stanford / California University USA – 100% renewable energy at reasonable prices and timescales

Mark Jacobson and Mark Delucchi recently published two papers in Energy Policy expanding upon our article on 100% wind, water, and solar power for the world, published in Scientific American in November 2009. I am attaching corrected in-press proofs of the articles. Mark and I continue to work on various aspects of this, so we welcome comments on these papers. (Please do not distribute them system... »

ENERGY EFFICIENCY AND CO2 COMPARISONS OF PUBLIC TRANSPORT VEHICLES

ENERGY EFFICIENCY AND CO2 COMPARISONS OF PUBLIC TRANSPORT VEHICLES It was good to meet you yesterday at SET offices. As I mentioned there is an issue about the energy efficiency of public transport vehicles which you might be able to clarify for us. I have urged James to publish comparison data on Sustraco website to show the energy efficiencies of different public transpo... »

Trams, energy saving, private cars, trolley buses, diesel buses

Dear Claverton, If was a matter of belief, then this debate would be theological. If should however be a matter of engineering and science. If we consider the energy issue as a supply side question, then no one would be promoting trams (or buses etc) because bicycles are an order of magnitude more energy efficient (and run on renewable sources) and the tracks required are very cheap to construct. »

"trams as the preferred solution for public transport in urban areas"

How very sensible of you to recommend trams as the preferred solution for public transport in urban areas. I attach a note on the potential for integrating waste recycling with ultra light trams. If really good tram networks are installed (and the cost of installing lightweight rail has now been brought below £2 million per route kilometre double track) then, together with pedestrianisation, cycli... »

Electrical Energy Storage: applications, markets and technologies

The energy storage industry is assured of a successful future.  There will be setbacks in these difficult times, of course, in a sector that has many vulnerable pre-commercial technology developers.  However, storage has all the attributes of a cornerstone technology, enabling real progress in areas that are certain to be of huge significance: the effective use of renewable and distributed energy ... »

ZERO EMISSION HYBRID RAILCAR

Ultra Light Rail – the Fast Track to Fuel Cells Introducing Fuel Cells to the Commercial Public Transport Market Fuel cells are now recognised as a key technology in the process of weaning the modern world from its dependence on fossil fuels and leading it into a new age of alternative energy. The principal obstacle still to be overcome is the high cost of fuel cells. In transport, for examp... »

BBC newsitem: Rapid-charge/discharge modified lithium-ion batteries

   Interesting item claims scientists have developed “affordable”, rapid-charge / discharge modified lithium-ion batteries. This improvement might make a significant difference to the prospects for practical EVs / PHEVs, by extension to G2V for smoothing wind energy outputs.   http://news.bbc.co.uk/1/hi/sci/tech/7938001.stm »

Professor Lewis Lesley comments on the recently announced plan to purchase expensive High Speed Trains from Hitachi

(Letter originally printed in The  Guardian but heavily edited…………) Dear Editor, Whilst commentators have been arguing about how many jobs and where, no one has raised the question of “value for money”. At £5.4m per carriage, these are the most expensive trains ever in real terms. As a comparison for the same money, 30,000 high speed luxury motorway coaches coul... »

Revealed – how the hybrid car "works"

The hybrid Toyota is a well known and claimed fuel efficient car. We all know its somehow got a battery and an engine.  But what is the idea? Why does this make it more efficient? Essentially the Toyota is more efficient (well a bit) than many similar cars, because the engine operates on what is known as an  Atkinson* cycle, rather than the normal Otto cycle for petrol engines. In case you are int... »

Carbon Pathways Analysis – Informing Development of a Carbon Reduction Strategy for the Transport Sector

Carbon Pathways Analysis July 2008 Executive Summary Chapter 1: Introduction Chapter 2: Carbon Pathways by Mode Chapter 3: Carbon Pathways by Type of Journey Chapter 4: The Impact of Mode Switch on Emissions Chapter 5: International Comparisons Chapter 6: The Challenge for Transport Acknowledgements This paper has benefited greatly from the inputs of Mark Barrett at UCL, the Transport Research Lab... »

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