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2016: The year we talked about autonomy a bunch | Autoblog Podcast #497

This week on the Autoblog Podcast, Mike Austin and David Gluckman take a look back at one of the biggest topics of 2016: autonomous driving. The thing is, there was a lot of news about autonomous driving, but not much in the way of autonomous cars you can buy. They also talk about what they've been driving lately - there was a good turbocharged compact car and a not-so-good turbocharged compact car. And then we round out the year with a quick Spend My Money. The podcast will take a break next week, but we'll be back in the new year with reports from CES and the 2017 Detroit Auto Show. And we're lining up some fun guests for future recordings. The rundown is below. Remember, if you have a car-related question you'd like us to answer or you want buying advice of your very own, send a message or a voice memo to podcast at autoblog dot com. (If you record audio of a question with your phone and get it to us, you could hear your very own voice on the podcast. Neat, right?) And please send trivia questions! You'll get the honor of stumping your fellow listeners, and we'll thank you too. Autoblog Podcast #497 Topics and stories we mention 2017 Hyundai Elantra Sport 2017 Nissan Sentra SR Turbo 2016 Honda Accord V6 (The sedan, but here's our Quick Spin of the coupe for reference) Autonomous Driving Rundown Intro - 00:00 What we're driving - 02:40 Rants (metal trim on steering wheels, learn how your car works) - 14:25 Looking back at autonomous driving in 2016 - 21:10 Spend My Money - 31:20 Total Duration: 37:46 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Feedback Email – Podcast at Autoblog dot com Review the show on iTunes Podcasts Honda Hyundai Nissan Car Buying Technology Emerging Technologies Autonomous Vehicles nissan sentra

Japanese automakers ramping production for renewed American sales

The 2011 earthquake and tsunami that struck Japan took quite the toll on the automotive industry in that nation. Not content to lean on that tragedy as excuse for slagging sales, the Japanese automakers are planning on a major production expansion in North America. The aim is to reclaim the market share lost from the Tsunami-based dip, and overcome a dollar/yen exchange rate that makes exporting to America unprofitable.
Following the Tsunami, Japanese automakers ramped up production in their North American facilities to compensate, but according to Automotive News, Nissan, Honda and others have all reported plans for still-further increased production in the year ahead. As part of this ramp-up, Mazda will open a facility in Salamnca, Mexico before March of 2014. Part of that increase in output is 50,000 units of a Toyota-badged compact car, which Mazda will produce.
Other Mexican production facilities opening include a Honda plant, which will open in Spring 2014 in Celaya, and a Nissan plant, set to open later this year in Aguascalientes. Nissan also said that it will need another plant in North America within the next five years. According to Nissan Boss Carlos Ghosn, the company aims to raise its stake in the US market from 8 percent to 10, and adding production will help achieve that goal. Even Mitsubishi is aiming to boost production at its Normal, Illinois plant. Production of the Outlander Sport is currently at 50,000, which Mitsubishi wants to raise to 70,000.

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.