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VW and government failure

Ruth Tarrant

24th November 2015

Last night's BBC Panorama investigation into the Volkswagen emissions scandal provided loads of great material for a detailed look into the issue of government failure.

The reporters noted that stricter EU regulations on CO2 emissions led to an increase in the production and use of diesel engine cars, because these produce far less CO2 than normal petrol engines. This was further aided by the UK government's subsidising of diesel cars, for example through having lower vehicle tax (a policy introduced by Gordon Brown during his tenure as Chancellor of the Exchequer) - around half the cars on Europe's roads are now diesel.

However, diesel cars produce many other extremely harmful pollutants, especially Nitrous Oxide - but as these didn't need to meet specific targets, production of these pollutants rocketed as emissions of CO2 fell. In October 2015, former science minister Lord Drayson said that the Labour government had made a terrible mistake in their approach to supporting diesel engines over petrol or electric cars, and that this had significantly worsened pollution due to traffic. CO2 targets have been met, and indeed surpassed, but at what cost?

Ruth Tarrant

Ruth has been Subject Lead in Economics at tutor2u for many years after a career of teaching Economics, Business, Politics and Maths in a range of secondary schools. She is a highly experienced A level Economics Examiner, and also teaches undergraduate Economics on a very part-time basis at the University of Oxford. Ruth is passionate about making economics fun, engaging and accessible.

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