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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 fires up S60 and V60 Polestar production

We were pretty smitten with the Volvo S60 and V60 Polestar models during our First Drive in Sweden a few months ago. We especially loved the way that its Öhlins adjustable dampers offered a perfect balance between suppleness and sporty handling. Now, the rest of the world will finally be getting the chance to take the Polestar models for a spin because Volvo is shipping out the first units of the limited-edition vehicles.
Their completion marks the first time ever that Polestar-tuned models have come off the line at Volvo's Torslanda factory. However, production of the 350-horsepower hatchback and sedan is very limited. Volvo is building a total of just 750 of them for the world market, and the US is only getting 80 wagons and 40 sedans.
In addition to the cutting-edge dampers and more powerful engine, both Polestar models benefit from a rear-biased all-wheel-drive system routed through a six-speed automatic with paddle shifters and launch control. Six-piston Brembo calipers bring things to a halt, and the limited models get unique front and rear fascias and 20-inch wheels. These are two very hot Swedes, and if rumors are right, then there are even more tuned Volvos from Polestar on the way. Scroll down to read the full announcement.

Volvo, Others to Assume Liability for Driverless Cars | Autoblog Minute

Self-driving cars could make our commutes a breeze but what happens when something goes wrong? Three industry leaders step up with an answer. Autoblog's Adam Morath reports on this edition of Autoblog Minute. .FW Mercedes-Benz Volvo Autoblog Minute Videos Original Video john krafcik Hakan Samuelsson