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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.

West Coast labor dispute hampers Japanese automakers' US plants

The ongoing labor dispute between the International Longshore and Warehouse Union and port owners along the West Coast is starting to affect more Japanese automakers building vehicles in the US. The issue already forced Honda and Subaru to take the expensive option of airlifting some parts into the US weeks ago, and according to USA Today, Toyota and Nissan have begun doing so, as well. The choice hasn't been cheap, though, and Subaru's chief financial officer estimated that the decision cost around $60 million more per month than sending components by cargo ship. The effects continue to radiate, according to USA Today, and shortages of some models are possible. Honda is slowing production at its factories in Ohio, Indiana and Canada because the automaker doesn't have enough transmissions and electronics for some vehicles. Toyota already cut back on overtime at some factories. Nissan has only seen a small effect from the issue, though, because of its local suppliers. Dock workers and port owners have been negotiating on a new contract since last year, and the union has organized work slowdowns in response. According to USA Today, the automakers could move shipments to Canada or Mexico, but it would take longer for parts to arrive. News Source: USA TodayImage Credit: Mark Ralston / AFP / Getty Images Earnings/Financials Plants/Manufacturing UAW/Unions Honda Nissan Subaru Toyota shipping port labor dispute

Nissan's Carlos Ghosn offers to wear electronic ankle tag if released

TOKYO — Ousted Nissan Chairman Carlos Ghosn has offered to wear an electronic ankle tag and hire guards to monitor him in an unusual bid to secure his release on bail after two months of harsh detention in Japan for alleged financial crimes. Ghosn is also willing to remain in Tokyo, where he has leased an apartment, and post stock he owns in Nissan as collateral, his spokeswoman said. A new bail hearing is set for Monday after an earlier request was denied due partly to concerns the French executive was a flight risk. His release would allow Ghosn to meet more frequently with his lawyers and defend himself before the board of Renault, where he remains chairman and CEO, amid calls for his removal and potential moves to restructure the Nissan tie-up. Ghosn denies any wrongdoing as he awaits trial on charges of financial misconduct. "I will attend my trial not only because I am legally obligated to do so, but because I am eager to finally have the opportunity to defend myself," Ghosn said in a statement on Sunday. "I am not guilty of the charges against me, and I look forward to defending my reputation in the courtroom." Meanwhile, Ghosn's wife, Carole Ghosn, has written to French President Emmanuel Macron to discuss her husband's situation, her public relations representative said. The representative, Devon Spurgeon, confirmed a report in French paper Journal du Dimanche that a letter had been sent to Macron this month, but declined to provide details. France wants a full merger As Ghosn's arrest on Nov. 19 continued to cloud the outlook for Nissan's three-way alliance with France's Renault and Mitsubishi Motors, Nissan said it was not the time to discuss revising the partners' capital ties. Ghosn, who spearheaded Nissan's turnaround two decades ago, had pushed for a deeper tie-up between Nissan and Renault, including possibly a full merger by 2020, despite strong reservations at the Japanese firm. "We are not at the stage for such discussions," Nissan CEO Hiroto Saikawa told reporters on Monday. Saikawa said he had not heard directly about a reported proposal by the French government to integrate the Japanese carmaker's management with Renault. The Nikkei newspaper reported on Sunday that a French government delegation had informed Tokyo that it would seek an integration of Renault and Nissan, most likely under the umbrella of a single holding company. "Since I have not heard this directly, I cannot comment," Saikawa told reporters.