The fashionable Fiat 500 citycar has just received a new hybrid engine set-up. Here’s the lowdown on the latest revamp to a special car. A new hybrid powertrain, that’s what. Fiat has finally started the process of electrification of its range, with the 500 receiving a mild hybrid set-up first, followed swiftly by the Panda. They are the first citycars in the giant Fiat Chrysler Automobiles (FCA) group to be fitted with new petrol mild hybrid technology. Fiat says the new versions are giving customers “the first steps towards more sustainable urban driving”. They will be followed in the not too distant future by an all-electric 500e, which has already been spotted in tests in Italian cities. Fiat says that compared to the outgoing 1.2-litre 69hp petrol engine, the mild hybrid version improves fuel efficiency and reduces CO2 emissions on the road “by up to 30 per cent without impeding performance”. Fiat Chrysler is on the verge of merging with France’s giant PSA Group, maker of Peugeot, Citroen, DS, Vauxhall and other brands. This is what’s known as a ‘mild hybrid’ engine – so you don’t plug it into an electr...