Electric Vehicles EV

Want to know more about Electric Vehicles EV’s?

See below our run down on Electric cars from the Past, Present and Future

Read more about the Nissan Leaf

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One Response to Electric Vehicles EV

Edd says:

December 31, 2011 at 15:41

Electric Cars like the Nissan Leaf are actually worse for the environment than efficient Diesel or Petrol Engines. This is because energy is lost in conversion to the different types of storage energy. In a Electric Car, you are theory producing zero tailpipe emissions, however, in the UK we still rely largely on non renewable sources of energy to power the electrical grid which the cars obtain charge from.

Any sucker who has sat GCSE Science could tell you that the fuel for Electric Cars undergoes many transformations which introduce inefficiencies. For example in a typical power plant coal or natural gas (chemical energy) is used to heat water (heat) which in turn boils to turn turbines (kinetic) before it is then turned into AC electrical energy for the grid.

When you plug your EV in, you are then converting the AC current to DC and storing it in a battery (chemical) and then the energy needs to make one last transformation to be used in the vehicle.

Unlike this, traditional cars have one conversion process; Chemical –> Kinetic. The only practical advantages of electrical cars would be that the pollution generated to run them is dealt with at a power plant and not a city centre, therefore reducing air pollution in populated areas.

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