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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

Nissan NV200 finds new work as ambulance, Gibson guitar repair truck

We live in a world now where not every police cruiser and taxi is a Ford Crown Victoria, not every executive car is a Lincoln Town Car and not every ambulance is based on a Ford Econoline van. Vehicles like the new Nissan NV200 are making inroads into the service, livery and emergency vehicle markets, and we've got a couple cases in point to share.
The first one is a fleet of 30 new ambulances based on the heavier-duty NV2500 chassis. They are entering the Mexican Red Cross fleet of emergency vehicles this year after performing well in pilot tests last year. The Mexican Red Cross says it receives 1,200,000 ambulance service requests per year, so the mettle of these new machines will be tested in a hurry.
The second example is less useful for life-saving, but may save a guitar from going to the scrap heap. Called the Gibson NV200 Mobile Repair & Restoration Van, it can take the services of an authorized Gibson rep anywhere they're needed to repair or restore an axe in need. The van features a whole aesthetic designed to evoke the classic Gibson look, with wood veneer and shades of brown and black used throughout. There's a guitar rack that holds four instruments, a sliding 56-inch long repair table, toolbox, genuine Gibson stools and a sound system by Gibson Pro Audio.

Teen attempts car jump, hits windshield and lands on his feet

I've been compelled to do many things in or around a car, but jumping over one has never quite made the cut. That may be because I have all of the vertical lift of a manatee, but I digress. One enterprising young soul recently looked at a friend's Nissan Sentra and thought, "You know, I can totally leap right over that roof line."
By using what can only be described as Herculean feats of persuasion, he talked one young female friend into driving said Nissan straight for him at around 40 miles per hour while another stood by to film the lunacy. The plan went swimmingly right up until our would be compact-vaulter caught his foot on the hood and bounced into the windshield. Whoops.
But the story doesn't end with a trip to the emergency room. Our hero spun mid-air and actually managed to get his feet under him before coming back to Earth. Impressive. You can watch the hilarity for yourself below, but please, don't even think about trying this yourself.