It’s amazing to what extent legislation can support green-washing. Chevrolet has just launched their hybrid electric-petrol car, the Volt, with the claim that it does 230 miles to the gallon, or approximately 100 km per litre. This calculation is according to the US Environmental Protection Agencies draft calculator for calculating such a value. The value, of course, is meaningless, as it is only for short distances and it INCLUDES the distance travelled using the electric charge when the car is not using any petrol at all!
Applying the same methodology to a completely electric car would claim that it gets an infinite amount of mileage for every gallon of gas...
Article on the Volt: http://wheels.blogs.nytimes.com/2009/08/11/gm-chevy-volt-gets-230-mpg/
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