Fiat chalks these figures up to its TwinAir engine, which they call “the world’s most ‘ecological’ turbo,” whatever that means. In America, their success translates to the Multiair fuel ...

In addition, as for the 500 model, the TwinAir name on the Fiat Punto 2012 will indicate not only the revolutionary two-cylinder engine, but also a new trim level with a unique and recognisable look.

It’s a Fiat 500. Not the sort of car that normally gets us excited. But like so many things in life, it’s what’s inside that counts. In this case, because it has the Italian firm’s new ...

No, there's no mistake: you really are looking at a Fiat Panda TwinAir and a VW Up. Low-emission, high-economy hatchbacks don’t normally register on the evo radar, but both these cars have been ...

That will likely take the form of Fiat’s 0.9-litre two-cylinder 90PS TwinAir engine which will return fuel economy of more than 45mpg according to Real MPG. Basic models might get the 69PS ...