Joanna Yarrow
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Author of 1001 Ways You Can Save the Planet, Joanna specialises in sustainable lifestyles and communications, making sustainability interesting and accessible to broad audiences.

  • Assembling the ideal hybrid package by Joanna Yarrow
  • Business & Economy Mon, 19 Nov 2007 1:19 p.m.

  • Hybrid engines can play a major role in increasing vehicle efficiency, but their promise won’t be fulfilled unless the components packaged around them achieve proportionate gains. Right now there are some diesel cars that have lower emissions than the average hybrid. In the future, as public awareness of sustainable living grows, attention will naturally be drawn to other car components that could become more efficient and less environmentally damaging.

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  • Reinventing the road for health and wellbeing by Joanna Yarrow
  • Urban Planning Wed, 17 Oct 2007 5:24 p.m.

  • In our hypothetical future, where hybrids are widespread and awareness of sustainable living is higher, there will be a more balanced "modal split" on the roads, with space shared between many different forms of mobility. Rather than segregated areas for pedestrians and commercial activity, bicycles and motor vehicles, the streets will be much more democratic. And, increasingly, urban planners will locate new amenities on the basis of their walking or cycling distances from stations or residential areas, rather than on their accessibility to cars and their parking capacity.

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  • Why hybrids may end up helping nobody by Joanna Yarrow
  • Environment Thu, 18 Oct 2007 3:56 p.m.

  • So what if the future’s got lots of hybrid cars in it? The world may not look any different. Indeed, it may actually look worse. Why? Because of something called the “Khazzoom-Brookes Postulate”.

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  • Overcoming our need for one car each by Joanna Yarrow
  • Families & Lifestyle Wed, 17 Oct 2007 5:17 p.m.

  • For hybrids to have a positive impact, their proliferation must be accompanied by a shift towards greater car-sharing. If more people were to take passengers in their cars then there would be a massively disproportionate impact on fuel consumption, infrastructural wear, scrap disposal and so on.

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