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Jun 15, 2011

Electric cars: we get duded again.


Global Warming has drawn about itself the cloak of a state religion, which as is often the case when belief gets mixed up with power, has become extreme. In this case as has occurred throughout history, it has resulted with the irrational becoming the ideal. Making power and fuels more expensive and putting industry at risk is now sold as the moral imperative, rather than the stupid.

Solar panels, wind farms and ethanol, none of which can pay their way without massive subsidies or mandates are now considered the way of the future. IF it has the green tag, it must be adopted regardless of cost, even if it actually does the opposite of what was intended. Electric cars have now been found to fall into this category.

Research now indicates that electric cars could produce higher emissions over their lifetimes than petrol equivalents because of the energy consumed in making their batteries:

An electric car owner would have to drive at least 129,000km before producing a net saving in CO2. Many electric cars will not travel that far in their lifetime because they typically have a range of less than 145km on a single charge and are unsuitable for long trips. Even those driven 160,000km would save only about a tone of CO2 over their lifetimes.

The British study, which is the first analysis of the full lifetime emissions of electric cars covering manufacturing, driving and disposal, undermines the case for tackling climate change by the rapid introduction of electric cars.

The Committee on Climate Change, the UK government watchdog, has called for the number of electric cars on Britain's roads to increase from a few hundred now to 1.7 million by 2020.

Britain's Department for Transport is spending $66 million over the next year giving up to 8,600 buyers of electric cars a grant of $7700 towards the purchase price. Ministers are considering extending the scheme.

The study was commissioned by the Low Carbon Vehicle Partnership, which is jointly funded by the British government and the car industry. It found that a mid-size electric car would produce 23.1 tonnes of CO2 over its lifetime, compared with 24 tonnes for a similar petrol car.

Emissions from manufacturing electric cars are at least 50 per cent higher because batteries are made from materials such as lithium, copper and refined silicon, which require much energy to be processed.

Many electric cars are expected to need a replacement battery after a few years. Once the emissions from producing the second battery are added in, the total CO2 from producing an electric car rises to 12.6 tonnes, compared with 5.6 tonnes for a petrol car. Disposal also produces double the emissions because of the energy consumed in recovering and recycling metals in the battery. The study also took into account carbon emitted to generate the grid electricity consumed.

Greg Archer, director of Low CVP, said the industry should state the full lifecycle emissions of cars rather than just tailpipe emissions, to avoid misleading consumers. He said that drivers wanting to minimize emissions could be better off buying a small, efficient petrol or diesel car. “People have to match the technology to their particular needs,” he said.
OK, so the whole idea is a flat wrong pipe dream, which has never been properly costed prior to implementation by the wankers who are PC whipped into accepting it. It might be discredited, but don’t expect it to be reversed any time soon.

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