Fiat's TwinAir engine is a

Straight-twin engine A straight-twin engine, also known as an inline-twin, vertical-twin, or parallel-twin, is a two-cylinder piston engine whose cylinders are arranged in a line along a common crankshaft. Straight-twin engines are primarily used in motorcycles; ot ...

designed by Fiat Powertrain Technologies as part of its Small Gasoline Engine (SGE) family — employing Fiat’s MultiAir hydraulically actuated variable valve timing and lift technology. Offered in a variety of FCA vehicles in turbocharged and naturally aspirated variants, the engine is noted for its reduced size, weight,

fuel consumption A fuel is any material that can be made to react with other substances so that it releases energy as thermal energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but ...

and CO₂ emissions. In the 2011 International Engine of the Year awards, the TwinAir won Best Engine Under 1 Litre, Best New Engine, Best Green Engine and International Engine of the Year. Dean Slavnich, editor of Engine Technology International and co-chairman of the International Engine of the Year Awards, called the TwinAir one of the "all-time great engines.”

Development and launch

Fiat's TwinAir debuted at Internationale Automobil-Ausstellung 2007 in the Fiat Panda Aria

concept car A concept car (also known as a concept vehicle, show vehicle or prototype) is a car made to showcase new styling and/or new technology. They are often exhibited at motor shows to gauge customer reaction to new and radical designs which may or ...

. as an , turbocharged, CNG-hydrogen mix and gasoline bifuel unit. The production TwinAir engine was launched at the 2010 Geneva Motor Show in , turbocharged gasoline form and became available later in 2010 in the

Fiat 500 The Fiat 500 ( it, Cinquecento, ) is a rear-engined, four-seat, small city car that was manufactured and marketed by Fiat Automobiles from 1957 until 1975 over a single generation in two-door saloon and two-door station wagon bodystyles. Launc ...

. Later, it was launched also in other FCA vehicles such as the 2012 Punto. The naturally aspirated 1.0 L version became available on the 2012 Fiat Panda and the 500 in select markets, and so two other turbocharged 0.9 L variants: the 80 PS bi-fuel CNG/petrol unit (on Panda, 500L and

Ypsilon Upsilon (, ; uppercase Υ, lowercase υ; el, ''ýpsilon'' ) or ypsilon is the 20th letter of the Greek alphabet. In the system of Greek numerals, grc, Υʹ, label=none has a value of 400. It is derived from the Phoenician waw . Ety ...

) and the 105 PS unit (on MiTo, Punto, 500L and 500).

Applications

Fiat Panda The Fiat Panda is a city car manufactured and marketed by Fiat since 1980, currently in its third generation. The first generation Panda (Mk 1: 1980–1986 & Mk2: 1986–2003), introduced in 1980, was a two-box, three-door hatchback designed b ...

Fiat Punto The Fiat Punto is a supermini car (B-segment) produced by the Italian manufacturer Fiat from 1993 to 2018, spanning over three generations. The third generation of the car was marketed between 2005 and 2009 as the Grande Punto, and between 2009 a ...

Fiat 500L The Fiat 500L is a car manufactured by Fiat under the FCA Serbia joint venture and marketed globally since its debut at the 2012 Geneva Motor Show. It is classified as a Mini MPV. Based on a variant of the ''FCA Small Wide platform'', th ...

Lancia Ypsilon The Lancia Ypsilon is a supermini manufactured and marketed by Lancia, now in its third generation and as of 2022, the marque's only model. The Ypsilon was released in 1995, as a larger and more expensive replacement to the Y10. Between 1995 an ...

Alfa Romeo MiTo The Alfa Romeo MiTo (Type 955) is a front-wheel drive, three-door supermini designed by Centro Stile Alfa Romeo and presented in 2008 at Castello Sforzesco in Milan with an international introduction at the British Motor Show in 2008. The MiTo w ...

Chrysler 200C EV The Chrysler 200C EV is a plug-in hybrid electric concept car built by the U.S. automaker Chrysler. Overview The vehicle was based on the shortened Chrysler LX platform. The rear-wheel-drive sedan includes gasoline engine rated and a electric ...

(Concept)

Awards

* Technobest 2010 * Die Besten Autos 2011: ** Paul Pietsch Prize * International Engine of the Year 2011: ** International Engine of the Year ** Sub 1-litre class ** Best New Engine ** Best Green Engine * International Engine of the Year 2013: ** Best Green Engine (TwinAir CNG bifuel)

References

{{Reflist Fiat engines Gasoline engines by model * Straight-twin engines