That's what owners of dual-fuel cars think. So what's on offer? I know this sounds pretty obvious, but apparently UK drivers now consider what actually moves their purchase - the powertrain, to anoraks - to be the most important factor during the purchasing process, according to automotive video and retail company CitNOW. Once upon a time, there was just one option, petrol, and it would only be diesel if you drove a lorry or a taxi. But these days, there are all sorts of exciting options and 43% of motorists now view the choice between petrol, diesel, hybrid and electric vehicles as the most important factor. So despite what our road testers might tell you, it's what goes in the tank that is important. But the thing is there are overlooked sources of motive power.
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