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Infiniti's variable compression engine in the 2019 QX50 is the first of its kind

The world's first variable compression ratio engine is here, in a production car. That car is the 2019 Infiniti QX50, debuting this week at the Los Angeles Auto Show. The midsize crossover has seen a refresh that has brought it an all-new platform together with new driver assist features, but it's the engine that's the centerpiece here. Nearly everything is continuously variable under the hood of the QX50 – not only the new shift-by-wire XTRONIC CVT. The new VC-Turbo gasoline engine is able to change its compression ratio from 8:1 to 14:1, or anything in between depending of the driving situation; whether there is need for top-end power or turbodiesel-like torque from low revs, or optimized fuel economy. The pistons' reach is continuously adjusted by an electric "Harmonic Drive" motor, which controls a multi-link system, affecting the top-dead-center of the pistons and changing the compression. The engine can also switch between efficiency-maximizing Atkinson cycle and regular combustion cycle, on the go – and there's both multipoint injection and gasoline direct injection employed. The result is 268 horsepower at 5,600 rpm and 280 pound-feet of torque at 4,400 rpm; good figures for a 2.0-liter four-cylinder gasoline engine with a single-scroll turbocharger. Infiniti says that the FWD version's fuel economy of 27 miles per gallon combined is 35-percent better than the previous-generation V6 engine; in AWD guise, it reaches 26 mpg, which is a 30-percent improvement. The new engine is pretty much all-aluminum, but the vaguely magical-sounding "transformative multi-link components" behind the variable compression system are made from high-carbon steel alloy. The engine's multi-link system also enables it to do away with any balancing shafts, and Infiniti compares its smoothness to a V6 rather than a regular four-cylinder. In addition to the aforementioned tech, the VC-Turbo engine has the world's first active engine mount vibration damping system to smoothen its operation even further. Related Video:

Infiniti will offer free wireless Apple CarPlay upgrades for 2020-2021 cars

Owners of 2020-2021 Infiniti products with Apple CarPlay should be happy to hear this news. Infiniti just announced that owners of those vehicles are now eligible for a free upgrade to wireless Apple CarPlay. The list of eligible models includes 2020-2021 Q50, Q60, QX50 and QX80. All of those vehicles already have Apple CarPlay and Android Auto, but they operate via a wired connection only. This upgrade will make it such that you no longer have to plug into your Lightning cable to have Apple CarPlay splashed across the screen. If you own any of the above vehicles, we’d recommend getting a service appointment to have the upgrade installed — the update is said to take less than an hour. Infiniti says the complimentary software update will be available from now until March 31, 2022. Basically, get it while you can. WeÂ’ve asked Infiniti if a similar upgrade was coming for Android users, as many other manufacturers offer wireless Android Auto in addition to wireless Apple CarPlay. All a spokesperson would say is that "Infiniti is looking at Android Auto for future vehicle integration." The lack of wireless Android Auto will be affecting about 20% of Infiniti owners, as even Infiniti approximates that 20% of its luxury buyers are not Apple users. At the very least, those owners will still have wired Android Auto. Related video:  This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Autoblog Podcast #391

Episode #391 of the Autoblog Podcast is here, and this week, Dan Roth, Mike Harley and Brandon Turkus talk about the appointment of Kumar Galhotra to run Lincoln, changes coming for Scion, the Dodge Charger SRT Hellcat, and which cars won't live into 2015. We also take a quick detour to talk about the Infiniti Q50 Eau Rouge prototype, which Mike Harley just came back from driving. We start with what's in the garage and finish up with some of your questions, and for those of you who hung with us live on our UStream channel, thanks for taking the time. Check out the new rundown below with times for topics, and you can follow along down below with our Q&A. Thanks for listening! Autoblog Podcast #391: Topics: 2015 Infiniti Q50 Eau Rouge Prototype New boss at Lincoln Scion xB, iQ ending soon Dodge Charger SRT Hellcat Cars that won't live to 2015 In the Autoblog Garage: McLaren 650S Hyundai Genesis Hosts: Dan Roth, Michael Harley, Brandon Turkus Runtime: 01:42:06 Rundown: Intro and Garage - 00:00 Infiniti Q50 Eau Rouge - 30:05 Kumar Galhotra to Lincoln - 34:32 Scion Changes - 43:58 Dodge Charger Hellcat - 54:25 Discontinued Cars - 01:06:24 Q&A - 01:22:59 Get the podcast: [UStream] Listen live on Mondays at 10 PM Eastern at UStream [iTunes] Subscribe to the Autoblog Podcast in iTunes [RSS] Add the Autoblog Podcast feed to your RSS aggregator [MP3] Download the MP3 directly Feedback: Email: Podcast at Autoblog dot com Review the show in iTunes Hirings/Firings/Layoffs Podcasts Dodge Hyundai Infiniti Lincoln McLaren Scion Supercars mclaren 650s