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Is the skill of rev matching being lost to computers?

If the ability to drive a vehicle equipped with a manual gearbox is becoming a lost art, then the skill of being able to match revs on downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. The usefulness of rev matching in street driving is limited most of the time – aside from sounding cool and impressing your friends. But out on a race track or the occasional fast, windy road, its benefits are abundantly clear. While in motion, the engine speed and wheel speed of a vehicle with a manual transmission are kept in sync when the clutch is engaged (i.e. when the clutch pedal is not being pressed down). However, when changing gear, that mechanical link is severed briefly, and the synchronization between the motor and wheels is broken. When upshifting during acceleration, this isn't much of an issue, as there's typically not a huge disparity between engine speed and wheel speed as a car accelerates. Rev-matching downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. But when slowing down and downshifting – as you might do when approaching a corner at a high rate of speed – that gap of time caused by the disengagement of the clutch from the engine causes the revs to drop. Without bringing up the revs somehow to help the engine speed match the wheel speed in the gear you're about to use, you'll typically get a sudden jolt when re-engaging the clutch as physics brings everything back into sync. That jolt can be a big problem when you're moving along swiftly, causing instability or even a loss of traction, particularly in rear-wheel-drive cars. So the point of rev matching is to blip the throttle simultaneously as you downshift gears in order to bring the engine speed to a closer match with the wheel speed before you re-engage the clutch in that lower gear, in turn providing a much smoother downshift. When braking is thrown in, you get heel-toe downshifting, which involves some dexterity to use all three pedals at the same time with just two feet – clutch in, slow the car while revving, clutch out. However, even if you're aware of heel-toe technique and the basic elements of how to perform a rev match, perfecting it to the point of making it useful can be difficult.

Japan issues arrest warrants for Ghosn, Americans suspected of helping him escape

This security camera image shows men identified as Michael Taylor and George Zayek during their checkpoint processing at the Istanbul Airport in Istanbul, Turkey. They are suspected of smuggling Carlos Ghosn out of Japan to Lebanon via Istanbul.   TOKYO — Tokyo prosecutors issued an arrest warrant Thursday for Nissan's former chairman Carlos Ghosn, who skipped bail while awaiting trial in Japan and is now in Lebanon. Japan has no extradition treaty with Lebanon, so he's unlikely to be arrested. Lebanon has indicated it will not hand over Ghosn. Tokyo prosecutors also issued arrest warrants for three Americans they said helped and planned his escape, Michael Taylor, George-Antoine Zayek and Peter Taylor. Deputy Chief Prosecutor Takahiro Saito declined to say where the three men were thought to be staying. He said Michael Taylor and George Zayek are suspected of helping Ghosn flee by hiding him in cargo at a Japanese airport and getting him into a private jet to leave the country. Saito would not say if Japan has asked U.S. authorities for help, though he said all options were being explored. Japan and the U.S. have an extradition treaty. Michael Taylor is a former Green Beret and private security specialist. Peter Taylor appears to be his son. Security footage released earlier showed Zayek and Taylor transiting Istanbul Airport at the same time Ghosn allegedly passed through Turkey on his way to Beirut. Prosecutors suspect Peter Taylor met several times with Ghosn in Tokyo, starting in July last year, to plot his escape. Saito said Ghosn was given a key to a hotel room in Osaka near the Kansai Airport that Ghosn left from. Prosecutors say Ghosn broke the law by violating bail conditions that required him to stay in Japan, mostly at his Tokyo home. “We want to stress that the act of fleeing was clearly wrong,” Saito told reporters. “We need to erase the misunderstanding.” Separately, Saito said prosecutors on Wednesday forced open a lock to search the Tokyo office of Ghosn's former defense lawyer Junichiro Hironaka for records of people Ghosn met with while out on bail, and other materials. Prosecutors are asking a judge for help in accessing contents of a computer Ghosn used at Hironaka's office that the lawyer has refused to hand over, citing attorney-client privilege. Ghosn has said he is innocent of allegations he under-reported his future income and committed a breach of trust by diverting Nissan money for his personal gain.

Nismo toying with crossovers and pickups

Nissan is apparently committed to turning its racing and tuning division into a bigger player, with new Nismo models coming out all the time. But while the Nismo division has until now focused primarily on hatchbacks and sports cars, the next project could be a truck. According to Aussie website CarAdvice in speaking to Nissan marketing chief Darren Cox and Nismo boss Shoichi Miyatani, the prospect of a Nismo-tuned SUV or pickup are definitely on the table. That could include a performance-oriented take on the Navara pickup, but also the Qashqai crossover – a prospect first mooted a year ago. And if the Qashqai and Navara are under consideration, there's no telling what Nismo might do with the likes of the Frontier, Rogue, Murano or even the Pathfinder. None of that is concrete at the moment, of course, but the market for performance crossovers seems only to be growing – and growing more accessible, too. The Germans keep making smaller crossovers and performance variants thereof, and even Fiat is said to be working on an Abarth version of the 500X. The Juke Nismo itself bridges the gap between hot hatches and performance crossovers, but apart from the 370Z Nismo and GT-R Nismo, most of the division's projects seem to be focusing on hatchbacks like the Pulsar and Versa Note.