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Turbo

In the face of ever-tightening emissions regulations, the world's car manufacturers are finding innovative ways to cut fuel consumption. In its quest for greater fuel efficiency, Audi has developed a four-cylinder TFSI engine that makes use of a new combustion method, resulting in what Audi claims is the most efficient two-liter gasoline engine in its class.

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Amid ever tightening emissions restrictions, the time has come for Ferrari to replace its 458 Italia and its high-revving naturally aspirated V8 engine. Ferrari’s 488 GTB is the first turbocharged mid-engine V8 since the legendary F40, and follows the California T down the road of turbocharging for better economy. Read More
Formula 1 racing is the most technologically driven sport in the world, and last season provided firm evidence of that fact. A sea change swept through the sport in 2014, rendering what once was known as an engine into an insanely high-tech contraption called a "power unit." In preparation for the coming season, here's a quick primer on what motivates the fastest road course cars in the world. Read More
The power output of Mini's John Cooper Works continues to grow. The first "modern" JCW Cooper was released in 2002, and made do with 200 hp (150 kW), which became 211 hp (155 kW) when the R56 Cooper was released. For the latest John Cooper Works, Mini has managed to serve up 231 hp (172 kW), making it the brand's most powerful car ever. Read More
Audi has sold over half a million of its A1 hatchbacks since the model's launch in 2010, so when it came to updating the small hatch, the German manufacturer hasn't messed with its winning formula. The updated A1 and A1 Sportback take their predecessors' sharp styling and add a pair of new three-cylinder engines into the mix. Read More
The unveiling of a new four-banger engine wouldn’t normally garner much attention, but Volvo's High Performance Drive-E Powertrain Concept is an exception. The 2.0 liter, gas-powered unit features "triple boost" technology capable of generating no less than 450 hp. Read More

As good looking as the Volkswagen Scirocco is, the current model is six years old. VW has given the Golf-based coupe a major refresh, with a new range of more powerful and economical engines and a sharper look. Read More

Audi has been developing an electric turbocharger for several years and seems close to launching it on a production car. The new RS 5 TDI concept adds an e-turbo to its biturbo V6 to provide an immediate boost in power that doesn't wait around for exhaust gas. Read More
Mercedes has taken the slow approach to revealing its new AMG GT supercar. We've seen the interior and some hazy shots of its profile, but until now we didn't know anything about how it would perform. So what's under the hood? Read More
In spite of the saying "ain't no replacement for displacement," manufacturers are making their engines smaller by the day. Ford has its 1.0-liter EcoBoost, and Mini a 1.5-liter three cylinder motor. Renault's next Twingo will feature not only a 1.0-liter engine, but a 900cc motor making 90hp. Now, Mazda has joined the global trend for downsizing engines with its new turbocharged 1.5-liter SKYACTIV diesel. After teasing us at the Geneva Motor Show, the Japanese car company has finally released details of its new motor. Read More
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