The modern motor buyer has a quandary: which will prove the most cost effective between petrol or diesel cars? The answer varies depending on who is asking the question. It used to be that diesel-powered cars were unquestionably the cheaper option to buy and run, as they were more economical and the fuel was cheaper. Now, however, diesel is more expensive and petrol engines are becoming more efficient which muddies what used to be a clear-cut decision. Continue reading