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Infiniti QX Inspiration Concept SUV may be the most Japanese thing in Detroit

Infiniti is following up its Q Inspiration Concept from the Detroit Auto Show last year with a QX Inspiration Concept for 2019. Unlike the Q Inspiration from last year ( VC-Turbo engine), this one is fully electric. That said, it does sport a similar design language. This QX concept is meant to preview an upcoming midsize electric Infiniti SUV. Since it's powered by an electric powertrain, there's no need for a grille. Infiniti decided to take the opportunity to spell its name out in big and bold letters across the bow instead. The proportions are obviously concept-car-like with a high beltline and squashed rear-end. Straight lines and muscular curves accentuate the car's stance nearly everywhere you look — somehow we still didn't escape the plastic wheel arches breaking up the pretty white paint and surrounding the 22-inch wheels. Related: Infiniti QX Inspiration fails to drive onstage at Detroit Auto Show reveal Etchings on the razor-thin headlamps and throughout the car are designed to look as though lasers did the work. Infiniti emphasizes that it used Japanese "Ma" styling, which puts an emphasis on negative space. Take a look through the photos yourself to see if you think Infiniti succeeded at utilizing the design mantra of "white space" on this SUV. One neat feature you'll easily be able to decipher on the exterior is the use of Japanese red cedar slats on the roof. You can see straight out of the car from inside, and it offers a bit of contrast color-wise. A lot of the magic is contained in the interior of the QX Inspiration, though. The first thing you'll see is the pillar-to-pillar screen that's finished in gold-tinted glass. Remind anyone of Byton? As if that wasn't enough screen, Infiniti also put a screen in the square steering wheel, too. The center console is made using marble, extending all the way back to the rear seats. White, suede rhombus panels serve as the Infiniti's floor that also features gold inlays. Infiniti takes advantage of the electric car benefit of a flat floor for extra interior space — the battery sits low under it. Infiniti QX Inspiration Concept View 24 Photos It also uses the popular concept-car trick of rotating seats to make ingress and egress easier. The same tech was revered in the 1960s. Infiniti says it intentionally left out any technology from the backseat so as to give the cabin a more natural and authentic appearance in pursuing the Japanese appreciation of nature and craftsmanship.

10 of 18 midsize SUVs earn 'good' IIHS side impact safety rating

It's not terribly surprising that midsize SUVs earned better safety ratings than small SUVs in the latest side-impact tests performed by the Insurance Institute for Highway Safety (IIHS). Just how much better they scored, on the other hand, certainly raises an eyebrow. Ten out of 18 midsize SUVs earned the highest rating of 'good' in the stringent new test, altered for vehicles starting with the 2020 model year with a heavier barrier (4,200 pounds) that moves at a higher speed (37 miles per hour) and is fitted with a hard honeycomb frontal structure. By way of contrast, just one out of of 20 small SUVs earned a 'good' score.  SUVs that receiving 'good' scores were the Ford Explorer, Infiniti QX60, Lincoln Aviator, Mazda CX-9, Nissan Pathfinder, Subaru Ascent, Toyota Highlander, Volkswagen Atlas, Volkswagen Atlas Cross Sport and Volkswagen ID.4. For EV fans, it's worth noting the ID.4 was the only electric vehicle included in the test. The Buick Enclave and Chevrolet Traverse scraped away with 'acceptable' ratings while the Honda Passport, Honda Pilot, Hyundai Palisade, Jeep Wrangler 4-door, Kia Telluride and Nissan Murano were deemed merely 'marginal' in the tough new test. Only two models — the Mazda CX-9 and Volkswagen ID.4 — earned a "Good" rating in every test category.  Interestingly, the Jeep Wrangler would have scored a 'good' rating if it were equipped with side airbags for the rear seating positions. It would likely be an engineering challenge to equip its removable top and/or doors with airbags, but the lack of that safety feature allowed the head of the rear passenger dummy to hit the vertical support of the top. Otherwise, the Wrangler scored good ratings across the board. The new Ford Bronco, which makes more allowances for side-impact safety, has not yet been tested.  The popular Hyundai Palisade and Kia Telluride SUVs stand out in the test with 'poor' ratings for driver pelvis injuries. The Nissan Murano, a vehicle last redesigned for the 2015 model year, was the only vehicle tested that received a 'poor' rating for its structure and safety cage. Videos of the tests of 12 of these 18 SUVs can be found on the IIHS' YouTube page. Related video: Green Buick Chevrolet Ford Honda Hyundai Infiniti Jeep Kia Mazda Nissan Subaru Toyota Volkswagen Safety Crossover SUV IIHS Insurance Institute for Highway Safety

Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.