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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:

1992 Infiniti Q45 with under 9,000 miles is a window into the glory days of Japan, Inc.

The 1980s saw Japanese auto boom in the U.S., while at home the "Bubble Economy" of the latter half of the decade swelled corporate coffers. The heady atmosphere lead first Honda, then Toyota and Nissan, to launch luxury divisions, aimed primarily at the U.S. market. Nissan formed a secret task force in 1985 to create Infiniti, and the brand launched (simultaneously with Lexus) at the 1989 Detroit Auto Show. The Infiniti Q45 was the brand's flagship and displayed a distinctly Japanese take on the luxury sedan. Whereas the Lexus LS400 was like the world's most perfect Cadillac — all silence and smoothness — the more driver-oriented Q45 was something akin to an Asian Jaguar. The Zen-like styling eschewed luxury car cliches such as interior wood trim and a fancy chrome grille. Instead, the nose of the Q45 was adorned with a stylized badge that was suggestive of a samurai shield. When Lexus stormed out of the gate and left Infiniti far behind, Nissan's luxury division began to dial back the iconoclasm and tack toward conventionality. All of which makes this early, 1992-model Q45 a rare and intriguing machine. It's all the more representative of Infiniti's early days because of its ultra-low mileage: just 8,800 miles are on the clock. Up for sale right now on the auction website Cars & Bids, this Q45 reportedly had just one owner up until last year. It features a leather interior, power seats, a sunroof and a trunk-mounted 10-disc CD changer. Under the hood is a DOHC 4.5-liter V8 that's good for 278 horsepower and pairs with a four-speed automatic transmission to drive the rear wheels. Of note is the factory case that houses the original titanium keys. At this writing, bidding for this rarely seen Japanese luxury sedan stands at $11,000 with two days left to go in the auction. That seems a small sum for such a well-preserved totem of the Japanese auto industry's master-of-the-universe period. Related Video:

Japan sends official to Lebanon over fugitive Carlos Ghosn

BEIRUT — Japan's deputy justice minister met top officials in Lebanon on Monday over the case of NissanÂ’s fugitive ex-boss, Carlos Ghosn, who fled to his home country late last year while on bail in Japan and awaiting trial. Ghosn was arrested in late 2018 and is facing charges of under-reporting income and breach of trust. He says he is innocent. He led Nissan for nearly 20 years. State Minister of Justice Hiroyuki Yoshiie (pictured above with Lebanese Justice Minister Marie Claude Najm) met President Michel Aoun as well as the Lebanese minister of foreign affairs. Yoshiie did not speak to reporters after the meetings and is scheduled to hold a news conference later in the day. Aoun's office said in a tweet after the meeting that they discussed mutual relations and ways of developing them "in addition to matters that are of interest for both countries." The tweet did not mention Ghosn, who made his first public appearance in Lebanon in early January saying he fled a “nightmare” that would not end and vowed to defend his name wherever he can get a fair trial. On Friday, Japan's Justice Minister Masako Mori said she was dispatching the official to Beirut to explain the Japanese justice system and improve cooperation. She said Japan hoped Lebanon would gain “a proper understanding of the Japanese criminal justice system.” Japan and Lebanon do not have an extradition treaty, and it's unlikely Lebanon would agree to send Ghosn, considered a Lebanese national hero, back to Japan to face trial. Mori acknowledged that there were “various environments” and laws that underpin each country's stance. Nissan, maker of the Leaf electric car and Z sports car, said in a statement regarding the justice officialÂ’s trip that it hoped Ghosn would return to Japan to stand trial, “so that all the facts can be properly established under JapanÂ’s judicial system.” Having spent months in detention and struggling to gain his release on bail under stringent conditions, Ghosn said he fled in the belief he could not get a fair trial in Japan. Japan has requested GhosnÂ’s return through Interpol and issued an arrest warrant after his escape. Lebanese prosecutors issued a travel ban for Ghosn in January and asked him to hand in his French passport following the Interpol-issued notice against him. NissanÂ’s sales have plunged recently, and it sank into losses for the last fiscal quarter. The brand is widely considered to have been tarnished by the controversy around Ghosn.