With all the controversy surrounding Volkswagen’s current woes with diesel cars, it is easy to forget that dirty diesel was never a viable environmentally-friendly alternative to petrol, ever. Diesel cars became a “thing” in certain parts of the world because they offered better mileage, which is all their buyers cared about, the environment be damned. But diesel cars have a variety of costly, heavy and inefficient add-ons to make them cleaner, just to meet tough emissions laws in Europe. If you want the cheapest form of energy for your car, there’s no better option than going electric. We tried out the all-electric VW e-Golf at Wolfsburg,
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