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2013 Nissan GT-R and 2013 Alpina B6 mix it up on track and street

Here we have Autocar making an unforeseen comparison: the Nissan GT-R against the Alpina B6 at Brands Hatch and on public roads. Steve Sutcliffe clobbers the circuit in the 3,828-pound, all-wheel-drive sports car, then sees how well the 4,114-pound, rear-wheel drive grand tourer does against it.
Sutcliffe says there are quite a few similarities between the two cars, but that's really only on the spec sheet. The Nissan's got two turbos attached to its 3.8-liter V6, 542 horsepower and 465 pound-feet of torque. The Alpina's got two turbos attached to its 4.4-liter V8, 532 hp and 528 lb-ft. But one's brief is to be a monster on the track, the other on the boulevard, and if there's anything the video demonstrates, it's each car's focus.

A look inside Infiniti's variable-compression engine

We're sympathetic to anyone who had trouble understanding what's going on with Infiniti's new variable-compression engine. While we got a full tech briefing on the novel VC-Turbo back in August, the visual aids were lacking. The cutaway engine Infiniti brought to the Paris show fixes all of that. You can thank the little green and pink lines on the cutaway for making the whole idea a little more clear. Click through the gallery to see two lines – one green and one pink – that represent the different strokes allowing for different compression ratios. Remember, the compression ratio is the amount of volume in the cylinder on intake compared to the amount at the end of the compression stroke. Leave more room at the end and you lower that ratio. The length of the stroke doesn't change with this system, but where it sits along the cylinder does. Hence those two lines. The variable compression ratio allows this new turbocharged engine to maximize fuel economy when the turbo isn't needed by raising the compression ratio. It will see its first use in the next Infiniti QX50 crossover, previewed by the QX Sport Inspiration concept that's also on display in Paris, and has performance targets of 268 horsepower and 288 pound-feet of torque. After, it will migrate to other Infiniti and Nissan vehicles, with transverse front-drive-based applications first in line. Eventually, it's likely to completely replace Nissan's corporate 3.5-liter V6. We'll be poking around the engine a little more in Paris today to try and get some more info. For now, enjoy those cutaway images and those friendly little lines. Featured Gallery Infiniti VC-Turbo engine cutaway View 14 Photos Paris Motor Show Infiniti Nissan Technology Emerging Technologies engine 2016 paris motor show

Recharge Wrap-up: Zero to debut 2015 lineup, Nissan extends New Mobility carsharing in Japan

Nissan is extending its carsharing service in Yokohama, Japan for another year. The service, called "Choimobi Yokohama," will use data gathered during its first year to make improvements going forward, including new payment options. The one-way service provides users zero-emission driving with Nissan's New Mobility Concept EVs. Nissan will scale back the number of vehicles from 70 to 50 for the second year. As of September 15, membership was at 10,651 users. Read more in the press release, below. In other Nissan news, the company has a new ad showcasing the benefit of the Leaf's available torque. The video depicts one of the fun parts of driving an EV, which is having 100 percent of the torque available from zero rpm, and shows a Leaf driver pulls away quickly from a stoplight in an impromptu drag race. The ad finishes by reminding Leaf drivers to "use your torque wisely." Watch it below. Analysts predict a booming EV charging infrastructure in South Korea. Government subsidies will encourage this rapid expansion, as the Ministry of Environment South Korea has a plan to fully fund level 2 chargers, plus the installation fee for DC chargers. The availability and shorter charging time of these stations are likely to help convince people to adopt EVs, as well. Analysts at Frost & Sullivan predict 90,000 charging stations around the country by 2020, as you can see in the press release below. Zero Motorcycles is set to debut its 2015 line of electric motorcycles. They will first be unveiled at Intermot in Cologne, Germany beginning September 30. The new all-electric models will then see their US launch at AIMExpo in Orlando, Florida beginning October 16. Zero Motorcycles VP of Global Marketing Scot Harden says, "We are confident that the new line will exceed expectations and look forward to seeing how the motorcycle world responds." Read more in the press release, below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Nissan Extends its Groundbreaking 'Choimobi Yokohama' Car Sharing Service for Another Year YOKOHAMA, Japan (September 19, 2014) - Nissan Motor Co., Ltd and the City of Yokohama revealed today that they will extend the one-year trial run of the first large-scale One-way Car Sharing Service in Japan, called "Choimobi Yokohama," for another year. The service, which kicked off on October 11, 2013, features Nissan's New Mobility Concept electric vehicles.