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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 to test 100 self-driving cars on Swedish roads [w/video]

Autonomous vehicles are increasingly being tested on public roads around the globe, including Nissan in Japan and Google here in the US, and now Volvo is preparing to test its own self-driving cars on the streets of Sweden. In conjunction with the state government, Volvo's Drive Me project kicks off next year, starting with the development of customer research and infrastructure technology before setting 100 self-driving cars loose on the streets of Gothenburg in 2017.
These 100 cars will be in the hands of customers, and the tests will help Volvo and the Swedish government track varying aspects of self-driving cars including economic benefits, consumer confidence, traffic flow and passenger safety. The technology being developed by Volvo uses not only on-board radar and sensors but also map data gathered from the cloud, and it controls all driving systems including the brakes, throttle and steering. Drivers can engage and disengage the car's autonomous drive mode by pushing a button on the steering wheel, and the technology will also allow for a self-parking feature.
While the cars shown in this demo are S60 models, the test vehicles will be based on Volvo's upcoming Scalable Product Architecture (SPA), which underpins future models like the next-gen Volvo XC90. Scroll down for a video and press release marking the announcement.

Apple CarPlay drawing early safety concerns [w/video]

Apple's CarPlay infotainment system hasn't made it into a single vehicle yet, and it's already drawing criticism for distracting drivers among safety advocates. The new tech unveiled at the Geneva Motor Show pairs users' iPhones with the car's dashboard display to make calls, dictate messages and listen to music. Some automakers, like Volvo, also let users interact with the HVAC system from the screen.
"The idea that people want to be on their phones, and therefore let's give them a way to do that -- that's not putting safety first, that's putting convenience and the desire to be in touch first," said Bruce Hamilton, manager of research and communications at the AAA Foundation for Traffic Safety, to CNN Money.
Distracted driving is a huge concern on modern roads with more vehicles allowing drivers to use their smartphones through Bluetooth and infotainment systems. A Texas A&M study found that drivers' reaction time doubled while dictating text messages, according to CNN Money. The new tech is certainly not making drivers pay more attention.