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Tag Archives: energy
UK electricity import and export
The UK doesn’t have enough electricity. The amount of electricity that the UK produces (from various sources) is not enough to meet demand, and the UK relies heavily* on imports from France and the Netherlands in order to meet its … Continue reading
Tagged electricity, energy
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Why 80mph is not a good idea
The UK government has announced that it is beginning a consultation on raising the speed limit on UK motorways from 70 mph to 80 mph. I don’t think this is a very good idea, and my reasons are listed below. Time Saving … Continue reading
Tagged energy, transport
2 Comments
UK Energy Mix
A lot of people get confused between the electricity they use and the energy they use. It’s easy to forget that the majority of people use natural gas for heating (e.g. a gas-fired central heating system) and cooking and petrol for … Continue reading
Tagged climate, electricity, energy
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Electricity consumption in the production of aluminium
Aluminium is a very useful metal; it is the most widely used non-ferrous* metal in the world. It has a very low electrical resistance and a very good strength-to-weight ratio and has therefore found many applications: from packaging in drinks … Continue reading
Tagged aluminium, electricity, energy
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Fuel Mix and CO2
Since 2005 UK electricity suppliers have been legally obliged by Ofgem to provide information about the fuel mix they use to generate electricity and the carbon dioxide they produce in the process. The UK average fuel mix; heavy on gas and coal. … Continue reading
Tagged electricity, energy, nuclear
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Estimating energy usage and savings
There’s a fascinating paper in this week’s Proceedings of the National Academy of Sciences of the United States of America (PNAS) journal about people’s perceptions of the energy used and saved by various devices and methods. The researchers’ conclusions are not … Continue reading
Tagged efficiency, energy
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The problem with the bulb ban
You might not have noticed, but the sale of standard filament lightbulbs has been banned since last September.* Current proposals are to replace standard incandescent bulbs with more efficient compact fluorescent bulbs. Fluorescent lights work by passing a current through a … Continue reading
Tagged efficiency, energy, lightbulb
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Kinetic hydropower
Wind is moving around the world all the time, and we use that for generating electricity. But water is moving around the world all the time too – can’t we use that to generate electricity? A wind turbine is a device that … Continue reading
Tagged energy, hydroelectric, windpower
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Sustainable Energy — without the hot air
READ. THIS. BOOK.
Tagged energy, sustainability
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