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Production Mazda Vision Coupe concept, GRMN Supra, new BRZ/86 coming

After writing about what's in store for the next-generation Subaru WRX, Japan's Best Car magazine is back with more spy work on what's ahead for the coming Mazda sedan, fighting-spec GRMN Toyota Supra, and next-generation Subaru BRZ/Toyota 86. All three are supposedly headed for previews at this year's Tokyo Motor Show before rolling out in 2021 and 2022. Mazda showed the Vision Coupe concept at the 2017 Tokyo show, then sneaked a mention of a rear- and all-wheel drive "Large Architecture" and two inline-six engines into a 2019 investor's report. Best Car says that concept's production version will house a 3.0-liter Skyactiv-X SPCCI inline-six with "M-Hybrid" 48-volt assistance. Output figures remain a mystery, but the mag says engineers are aiming for 345 horsepower. The real deal isn't slated for dealers until 2022, bringing what Mazda bills as a "BMW, Audi quality car at the price of Volkswagen." A further treat: Best Car says the Hiroshima automaker is laying out a two-door version on the same platform. Not even a month after 2020 Toyota Supra chief engineer Tetsuya Tada told us, "With a sports car, the promise is to offer more performance with each additional version," this report says the full-fat GRMN Supra will raise the stakes. Expected in the latter stages of 2021, the current 335-hp Supra will get an "output eventually close to 400 ps" (about 394 horsepower) from its BMW-source 3.0-liter straight-six. Along with that will come a lighter, stiffer body, and a sportier suspension tune to manage and make the most of the 60-horse increase. Best Car says the next-generation Toyota 86 / Subaru BRZ will move to a new platform, without specifying whether it would be Toyota's TNGA platform suggested by a report in April — not that there are many other options. Neither the footprint nor the body dimensions are predicted to change, and transmissions will continue to include a six-speed manual and a six-speed automatic. The new platform will hold a new engine, although it won't be the revelation many fans want. The magazine says the Subaru 2.0-liter FA20 will retire, making way for the Subaru 2.4-liter FA24. The FA24 is the same engine in the Subaru Ascent crossover, where it produces 260 hp and 277 lb-ft. There'll be no such fireworks for the sporty twins due in the first half of 2021, output reported to be "improved to 220 ps," or 217 hp — a 12-hp bump over the current figure.

Toyota to suspend 18 assembly lines as production restarts post-quake

TOKYO - Japanese manufacturers began restarting production at plants in the country's quake-hit northeast, but Toyota Motor Corp said it plans to idle 18 assembly lines for a few days next week due to a shortage of parts from suppliers. It had suspended operations at three factories due to the quake and sees lost production of 20,000 units due to the stoppages. Toyota has already cut its global production target due to the ongoing chip shortage. The suspension will cut heavily into Toyota's domestic production. Impacted product lines include the Toyota RAV4, Land Cruiser, Harrier and Yaris and virtually every Lexus. Toyota did not say whether these shutdowns could extend to U.S.-based production lines, but the possibility exists if they receive parts from the same suppliers.  On one hand, the limited damage caused by the magnitude 7.4 temblor has highlighted Japan's success in building resilience against the frequent tremors that shake the archipelago. But the quake has sparked concerns of further disruptions to a pandemic-hit supply chain for precision components vital to electronics and autos production and in which Japanese manufacturers play a leading role. Murata Manufacturing Co Ltd, the top global supplier of ceramic capacitors used in smartphones and cars, said it restarted production on Friday at two stopped plants with the remaining two idled plants to restart next week. A fire that broke out at a factory which produces chip inductors caused some damage to equipment. Renesas Electronics Corp, which makes nearly a third of the microcontroller chips used in cars globally, said it has restarted production after stopping it at two factories with a partial stop at a third. All three factories, including the Naka factory where fire broke out last year, are expected to return to pre-quake capacity by Wednesday, Renesas said. Power has mostly been restored across the northeast, which suffered Japan's biggest earthquake 11 years ago. Areas of Tokyo lost power for nearly three hours after the latest quake, in which three people died and 183 were injured. The blackout has forced the disposal of some COVID-19 vaccines held in cool storage, the Yomiuri newspaper reported. Tech conglomerate Sony Group Corp is in the process of gradually restarting production at three factories in the quake-hit area, a spokesperson said.

Hello, Siri? Please don't crash the car

Hands on the wheel and eyes on the road? You could still be distracted while driving. Voice-recognition software that many automakers tout as a safer alternative to handheld devices can still divert drivers' attention, a new study published by AAA found. Researchers noted that workload ratings were the highest on their scales when participants in the study used Siri. The technology is alluring because it allows drivers to do things like change the radio station or compose a text message without removing their hands from the wheel or their gaze from the road. But many of those tasks increase a driver's cognitive workload. Depending on the situation, that can be dangerous. "It's especially problematic, because you can be distracted and not know it," J. Peter Kissinger, president of the AAA Foundation for Traffic Safety, told Autoblog. "That's the nature of mental distraction. It's hard to appreciate. ... Often, you don't know you're distracted until it's too late." There's significant variation in the results of the study. Simple, single-task car commands for operations like changing the radio station caused minimal increases in workload, about the same as listening to an audio book. Composing information using speech-to-text technology was more burdensome, and using menu-based functions caused a high level of cognitive workload. Siri-based interactions posed the highest levels of distraction, according to AAA. Researchers noted that workload ratings were the highest on their scales when participants in the study used Siri, and two of the three simulator crashes they observed during the study of 36 participants came while the subjects were interacting with Siri. The subjects weren't looking at nor making contact with their iPhones during these interactions. "Common issues involved inconsistencies in which Siri would produce different responses to seemingly identical commands," the researchers wrote. "In other circumstances, Siri required exact phrases to accomplish specific tasks and subtle deviations from that phrasing would result in a failure. ... Some participants also reported frustration with Siri's occasional sarcasm and wit." It wasn't just the complexity of the task that caused variations in level of distraction – the variations could also be dependent on the particular make and model of the car being tested.