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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.

Renault-Nissan goes for closer cooperation, outsells VW and Toyota

PARIS — Renault-Nissan plans to double cost savings to nearly $12 billion by 2022, partly through closer cooperation with Mitsubishi, but left key questions about the automakers' alliance unresolved. Chairman Carlos Ghosn has pledged to step up the pace of integration after Nissan took a controlling stake in Mitsubishi last year. The 18-year-old Renault-Nissan pairing has only recently begun rolling out cars on common architectures. Combined sales volumes are expected to rise to 14 million vehicles by 2022 from 10.5 million expected this year, with revenue advancing by a third to $240 billion, the alliance said at a news conference in Paris on Friday. However, any investors impatient for a new capital or management structure to speed integration and prepare Ghosn's succession were likely to be disappointed. There was "no answer from Ghosn on the possibility of a merger by 2022," Jeffries analyst Philippe Houchois noted.12 NEW ALL-ELECTRICS Ghosn has been seeking a new second-in-command, sources told Reuters in June. But such plans are linked to thornier questions about the balance of power between the two main carmakers and the French government's outsize clout as Renault's biggest shareholder, supported by double voting rights. Twelve new pure-electric models will be on the road by 2022 as Renault-Nissan seeks to defend the head-start it gained with the current generation of battery cars, spearheaded by the Nissan Leaf and Renault Zoe, as more competitors join the fray. With 5.27 million cars and vans delivered in the first half of the year, Renault-Nissan now claims the mantle of the world's biggest carmaker, ahead of Volkswagen and Toyota, even though Renault has never consolidated the sales of its 43.4 percent-owned Japanese affiliate into its own. Under existing plans, the alliance is seeking to increase synergies — from cutting costs and boosting revenue — to 5.5 billion euros next year from 5 billion recorded in 2016. SHARED PLATFORMS A fourth common vehicle platform will be shared across the alliance by 2022, the companies said on Friday, underpinning a future generation of electric cars which, together with hybrids, are expected to account for 30 percent of group sales. Renault-Nissan will aim to deliver more electric vehicles and also make greater use of shared technology and manufacturing processes.

Evatran, Bosch will sell wireless home charger for as low as $1,998*

At the Consumer Electronics Show in Las Vegas today, the big news for plug in vehicles is that they can now start to ditch the plug. As expected, the system costs around $3,000 and is available for both the Nissan Leaf and the Chevrolet Volt. For the first 250 customers, though, Evatran is offering $1,000 off the standard price, a 30 percent discount. Deliveries start next month and Evatran says it expects the discounted units to all be snatched up in the first half of the year. The wireless charger charges as quickly as conventional corded systems. Called the Plugless Wireless EV charger, the 240-volt station will be installed by Bosch and needs a specific adapter to be used with the Volt or the Leaf (the Leaf version costs $100 more). So, any two-EV families out there will need to pony up double if there's a Chevy and a Nissan in the garage. Of course, since the Plugless system only works with older Leafs (2010-2012 model years - but with any Volt), any late adopters will not be able to take advantage of the new technology, for now. Evatran says the wireless charger "charges the Volt and Leaf as quickly as conventional corded systems and all vehicle features, such as charge-timers and phone applications, can be used seamlessly with the Plugless system." After the first 250 units, standard prices for the wireless chargers take effect again: $2,998 (Volt) and $3,098 (Leaf). Evatran says it will announce wireless chargers for additional vehicles and model years later this year. Evatran and Bosch offer Promotional Pricing as low as $1,998 to first 250 PLUGLESS™ Wireless EV Charging Customers LAS VEGAS, Jan. 6, 2014 /PRNewswire/ -- Evatran Group, Inc. ("Evatran"), in partnership with Bosch Automotive Service Solutions, announced today at the 2014 Consumer Electronics Show that it is offering reduced promotional pricing to the first 250 customers who opt to Go PLUGLESS with their electric vehicle ("EV") experience. The PLUGLESS system offers a convenient, wireless charging alternative to the repetitive process of unplugging and plugging-in electric vehicles. The reduced pricing includes all charging hardware and is as much as a 30% discount off the system's standard MSRP. The discount is available only to the first 250 customers. Initial shipments of the PLUGLESS system, the first wireless EV charging product in the world available to individual EV drivers, will begin in February 2014.