After a decade of renewed sales in the U.S., Fiat has pared down its offerings to just one model for the 2021 model year. The Fiat 124 Spider and 500L small crossover won't be coming back, leaving the Fiat 500X as the only new Fiat to be sold for 2021. The small cars join a long and growing list of other small cars not coming back for 2021. The...