The Fiat 500C has been given a makeover by fashion brand Diesel. The new 500C byDiesel, the latest in a long line of 500 special editions, is based on the 500C Lounge specification and is on sale now. The byDiesel is available in Crossover Black and Diesel Green and a new Midnight Indigo Blue colour, reminiscent of stone-washed denim jeans. There’s the option of black, ivory and red soft-top colours. It…