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Volvo specs new 450-hp triple-charged four-cylinder engine

When Volvo lifted the veil on the new XC90 a little over a month ago, it announced that all versions would be powered by one engine design: a new 2.0-liter four-cylinder to be offered in various states of tune. That would range, Volvo said, all the way up to a high-output version with "around 400 horsepower," but while it wouldn't specify exact output, now it has.
The new High Performance Drive-E Powertrain incorporates two parallel turbochargers fed by a third electric turbo-compressor. Instead of feeding the cylinders directly, that third unit spools up the twin turbochargers, working together with a dual fuel pump pressurized to 250 bar.
The result is an output of 450 horsepower - far more than the existing 320-hp version and even more than expected. That also works out to 225 hp/liter, far more than the 177 hp/liter boasted by Mercedes-AMG's high-output turbo four and the 139 hp/liter in the Alfa Romeo 4C. Short of a rotary engine (whose actual displacement is the subject of great debate), you'd have to go up to something like the Koenigsegg One:1 (268 hp/liter) to find a higher specific output than what Volvo's boasting here.

Volvo's plan for China: sell them on the clean air inside the car

Large Chinese cities aren't known for having clean air. Just this week, the Chinese city of Harbin filled with record levels of smog after starting the city's coal-fired heating system, according to CNN. But Li Shufu, the chairman of Geely, Volvo's parent company, says the automaker's astute attention to cabin comfort in areas such as air filtration is a selling point for the Swedish automaker in China, Forbes reports.
Shufu says when he is inside a Volvo, he feels like he's in Northern Europe, but when the door is opened, he feels like he's in Beijing. The chairman made the remarks at the fourth annual Global Auto Forum (GAF) in China (which also happened to be attended by Alan Mulally, CEO of Ford, which was Volvo's owner until 2010), where he emphasized Geely's hands-off approach to managing Volvo, saying, "Geely and Volvo are brothers, not father and son."
While good filtration contributes to cabin comfort, the way we see it, Shufu also is allowing Volvo to play to its most well-known strength: safety. Smog protection via air filtration might not seem like the most important safety feature for a car in the US (unless you live in Los Angeles), but when you consider that Harbin's level of fine particles was up to 30 times higher than the World Health Organization's recommended standard on Tuesday, we'd think twice about that. Fine particles, which are 2.5 micrometers in diameter or less, are considered to be the most harmful to health.

Volvo C30 Polestar Concept hits the 'Ring

It's been over three years since the Volvo C30 Polestar Concept was unveiled, driven by journalists and, as it turns out, lapped around the Nürburgring with Scandinavian Touring Car Championship driver Robert Dahlgren behind the wheel. For whatever reason, the video of the 'Ring track session was only published by the tuning company yesterday. (Another discrepancy: Did Polestar's C30 lose 46 horsepower somewhere along the line? Because the video states that it has 405 hp, while the company's website quotes 451 hp...)
Whatever the case, the tuned Volvo is a beast, much more so than the similar-looking, 250-hp 2013 Volvo C30 Polestar Limited Edition that was sold last year. With 451 hp (sounds better than 405 hp, doesn't it?), all-wheel drive, limited-slip differentials front and rear and Öhlins dampers, the Polestar Concept checks all of the right boxes for us.
For some reason, the video, which you can watch below, seems a bit vanilla to us. Perhaps the overly dramatic music takes away from the action and the beautiful sounds of the turbocharged five-cylinder engine?