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New details emerge on Inifiniti QX50’s unique new variable-compression engine

Infiniti will release the world's first production variable-compression engine when it releases the 2019 QX50 midsize SUV sometime next year. Now we have some new details on the innovative new engine, which Infiniti is calling VC-T, for Variable Compression Turbo, after the luxury brand offered a prototype test drive. We wrote extensively about the complicated technology underpinning the new engine last year. It's the latest novel development that could represent a range-extender, if you will, for the embattled internal combustion engine in an era when automakers and governments are shifting their focus to electric vehicles. The VC-T is a new inline-four, 2.0-liter that combines the power of a high-performance turbo gasoline engine with the torque and efficiency of an advanced diesel engine, but without the latter's notorious emissions. It features the ability to seamlessly raise or lower the stroke of the pistons in the combustion chamber, depending on the driving conditions it detects and inputs from the driver, to select the best compression ratio—anywhere between 8:1, typical for high-performance engines, and 14:1 for high efficiency. In essence, it delivers the performance of a V6 but is much more efficient, with improved fuel efficiency of between 10 to 15 percent with its best competitors, per Car and Driver. You can view how it works in motion via the video below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. It's also quieter, more lightweight and compact than V6 engines with comparable power outputs, estimated at 268 horsepower and 288 pound-feet of torque. In a prototype test drive, Car and Driver writes that the engine "felt very conventional" and responsive, with strong and smooth acceleration. "The only indication you have that the compression ratio is changing is from an indicator in the instrument cluster next to the boost gauge." The engine is expected to deliver fuel economy gains of 27 percent in combined city-highway EPA rating over the outgoing QX50, which had a 3.7-liter V6. The 2019 model, fitted with the VC-T, should get about 26 mpg in combined fuel economy, and it will get to 60 mph almost one second faster than its four-cylinder counterparts, Nissan's chief powertrain engineer, Shinichi Kiga, told Automotive News. The VC-T engine is the result of 20 years of development spanning more than 100 prototypes and around 300 patents at Nissan.

Poor headlights cause 40 cars to miss IIHS Top Safety Pick rating

Over the past few months, we've noticed a number of cars and SUVs that have come incredibly close to earning one of the IIHS's highest accolades, the Top Safety Pick rating. They have great crash test scores and solid automatic emergency braking and forward collision warning systems. What trips them up is headlights. That got us wondering, how many vehicles are there that are coming up short because they don't have headlights that meet the organization's criteria for an "Acceptable" or "Good" rating. This is a revision made after 2017, a year in which headlights weren't factored in for this specific award. This is also why why some vehicles, such as the Ford F-150, might have had the award last year, but have lost it for this year. We reached out to someone at IIHS to find out. He responded with the following car models. Depending on how you count, a whopping 40 models crash well enough to receive the rating, but don't get it because their headlights are either "Poor" or "Marginal." We say depending on how you count because the IIHS actual counts truck body styles differently, and the Infiniti Q70 is a special case. Apparently the version of the Q70 that has good headlights doesn't have adequate forward collision prevention technology. And the one that has good forward collision tech doesn't have good enough headlights. We've provided the entire list of vehicles below in alphabetical order. Interestingly, it seems the Volkswagen Group is having the most difficulty providing good headlights with its otherwise safe cars. It had the most models on the list at 9 split between Audi and Volkswagen. GM is next in line with 7 models. It is worth noting again that though these vehicles have subpar headlights and don't quite earn Top Safety Pick awards, that doesn't mean they're unsafe. They all score well enough in crash testing and forward collision prevention that they would get the coveted award if the lights were better.

Infiniti Q50 Eau Rouge Concept could be something special

With one of Infiniti's chief goals being to adopt a less US-centric product lineup and burnish its standing on the global stage, Nissan's premium outpost will have to get serious about enhancing its offerings' performance and image credentials if it wants to take on the Germans model for model. It dabbled with the idea when it launched its Infiniti Performance Line (IPL), but its sole emissary to this point, the G37 IPL, offered little in the way of actual enhanced performance, focusing instead on visuals and a hefty price tag. This just-revealed Q50 Eau Rouge Concept suggests Infiniti is starting to get the message. Based on the cooking Q50, the Eau Rouge concept features both enhanced visuals courtesy of much more aggressive (and 20-millimeter-wider) carbon fiber bodywork inspired by the company's RB9 Formula One car and an improved stance thanks to a lowered, firmed suspension. As for what's lurking underhood this Detroit Auto Show star, that may be as much a theoretical at this point as anything else, but Infiniti president Johan de Nysschen offers a hint: "If we built this car I would expect it to feature over 500 horsepower and 600 pound-feet of torque," power arrived at via "a big personality, V-cylinder engine with forced induction." Johan, that sounds like a fine place to start. Infiniti Q50 Eau Rouge: Muscular, purposeful, refined - Q50 Eau Rouge concept provides a glimpse of Infiniti's design prowess for high-performance vehicles - Exterior features Infiniti Red Bull Racing Formula One design influences - Q50 Eau Rouge hints at future powerful product line Detroit / Hong Kong – The Infiniti Q50 Eau Rouge, revealed at the 2014 NAIAS Detroit Motor Show, is a concept car that expresses Infiniti's design vision of a high-performance Q50 premium sports sedan. The Q50 Eau Rouge embodies the arresting design features of the Q50 premium sports sedan – infused with the enticing spirit of Formula One. Featuring bespoke aerodynamic carbon fiber bodywork, Q50 Eau Rouge is lower and wider, possessing genuine road presence. This striking design is inspired by muscularity, aerodynamics, refinement, and understated power. "If we built this car I would expect it to feature over 500hp and 600lb/ft of torque. Through our various alliance partners we have access to a range of engines featuring this performance capability which, with a fair amount of engineering effort, can be developed to exhibit Infiniti character and accommodated within the Q50 engine bay.