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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 Q70 won't live to see 2020

The Infiniti Q70 won’t be returning for the 2020 model year, effectively killing InfinitiÂ’s large luxury sedan. This news comes to us via a report from Motor Authority, citing “the automaker” and Infiniti spokesperson Kyle Bazemore. WeÂ’ve reached out to Infiniti to confirm the news, but it doesnÂ’t strike us as a surprising move whatsoever. Update: Infiniti confirmed the Q70 won't be sold in the U.S. or Canada for the 2020 model year. Back in July of this year, Nissan made it clear that we should expect 10 percent of its models to be cut from its global product lineup. We speculated then that the Q70 and Q70L would be part of these cuts, as itÂ’s the manufacturerÂ’s worst-selling model. To no oneÂ’s surprise, that eventuality came true. Infiniti moved 4,479 Q70s and Q70Ls in 2018, making it a super low-volume vehicle in a tough segment. Back in the mid-2000s, Infiniti topped 20,000 sales of its largest luxury sedan (not named the Q70 at the time). Cars like the Mercedes E-Class, BMW 5 Series and Audi A6 are all more enticing buys next to the aged Q70 — a slightly cheaper base price was the last stand for this vehicle, but it looks like a good deal wasnÂ’t enough to save it from our crossover apocalypse. Infiniti SUV sales are up, as the QX80 continues to gain more ground in 2019. More folks are opting for the raised and rugged options than smooth and comfortable sedans across the industry, which is why we continue to see news like this. Unfortunately, the Q70 isnÂ’t riding off into the sunset in any sort of glory. We can trace the Q70Â’s lineage back through a few name changes (Q45 into a series of M cars like the M45 and M56). Its oldest ancestor would be the Infiniti Q45, which was a revolutionary car back in the early 1990s. It featured an active hydraulic suspension system that aimed to provide a supremely comfortable ride and flat cornering at the same time. When equipped with the suspension system, hydraulic actuators on each wheel were able to counter the forces exerted on it from cornering, braking and acceleration. And remember, this was 1991!  Transitioning back to today, Nissan and Infiniti have made it clear that EVs will be the future. We know that weÂ’d love to see another industry-changing flagship sedan from Infiniti, and a fully electric vehicle might just be the way to go about it. Anybody wanting for a production version of the Q Inspiration Concept?

Infiniti EV coming in 2021

Infiniti announced that it will offer new electrified vehicles starting in 2021. Nissan CEO Hiroto Saikawa said that its luxury brand will build its first all-electric car in 2021, as well as new "e-Power" vehicles – series hybrids with batteries charged by gasoline generators. Nissan has introduced e-Power vehicles in other markets, including the Note e-Power and the Serena e-Power minivan. Now it will extend that technology to Infiniti, providing a similar driving experience to an EV with the convenience of a gas-powered vehicle. Infiniti also said that we can expect "beautiful vehicles" like the Q Inspiration Concept that debuted at the 2018 Detroit Auto Show. Infiniti doesn't plan on producing the Q Inspiration, but it will certainly influence future vehicles in terms of both styling and technology. The Q Inspiration uses variable compression technology, which the company intends to use to improve efficiency and performance of its gasoline-powered cars. Infiniti expects half of its global sales to be electric vehicles by 2025 (it's not clear whether the automaker is lumping series hybrids into the electric vehicle category). And while there's no way that Infiniti will release a production version of its all-electric Prototype 9 EV, seen above, we'll hold onto that dream anyway. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.