Fiat's TwinAir engine is a

Straight-twin engine A straight-twin engine, also known as an inline-twin, vertical-twin, inline-2, or parallel-twin, is a two-cylinder Reciprocating engine, piston engine whose cylinders are arranged in a line along a common crankshaft. Straight-twin engines are p ...

Fiat Powertrain Technologies FPT Industrial is an Italian multinational designer and manufacturer of transmissions, axles, diesel and petrol engines that was established in March 2005 as a Fiat Group division which included all the activities related to powertrains and tr ...

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 The International Engine of the Year was an annual competition for automotive industry internal combustion engines and electric motors, judged by a panel of automobile journalists from around the world. It is organised by UKi Media & Events' Autom ...

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 or show vehicle) is a car made to showcase new styling or new technology. Concept cars are often exhibited at motor shows to gauge customer reaction to new and radical designs which may or may not ...

. as an , turbocharged, CNG-hydrogen mix and gasoline bifuel unit. The production TwinAir engine was launched at the 2010

Geneva Motor Show The Geneva International Motor Show was an annual auto show held in March in the Swiss city of Geneva. The show was hosted at the Palexpo, a convention centre located next to the Geneva Cointrin International Airport. The Salon was organised b ...

in , turbocharged gasoline form and became available later in 2010 in the

Fiat 500 The Fiat 500 (, ) is an Economy car, economy / city car that was manufactured and marketed by Fiat Automobiles from 1957 until 1975. It was sold as a two-door semi-convertible or saloon car and as a three-door panel van or estate car. Launched ...

. 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; ''ýpsilon'' ) or ypsilon is the twentieth letter of the Greek alphabet. In the system of Greek numerals, has a value of 400. It is derived from the Phoenician waw . Etymology The name of the le ...

) 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 Automobiles, Fiat since 1980, currently in its third generation. The first generation Panda, introduced in 1980 as the Mk1, was a Car body configurations#Two-box design, two-box, thr ...

* Fiat Punto *

Fiat 500L The Fiat 500L is a mini MPV manufactured by Fiat under the Fiat Serbia joint venture and marketed globally since its debut at the 2012 Geneva Motor Show. Based on a variant of the GM Fiat Small platform, ''FCA Small Wide platform'', the 50 ...

* Lancia Ypsilon *

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

* Chrysler 200C EV (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