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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.

Toyota wants you to meet an 'obsessed' hydrogen fuel cell engineer

Like a television-broadcasting company covering the Olympics, Toyota is looking to market its future in hydrogen fuel-cell vehicle production by taking the personal approach. In this case, the Japanese automaker is telling the backstory of Jackie Birdsall, an engineer at Toyota Technical Center who Toyota says is "obsessed" with fuel-cell technology. A Sacramento native, Birdsall is responsible for testing fuel-cell vehicles and making sure hydrogen stations fill the tanks of the cars in a "reasonable" timeframe. Long a gearhead, she attended Flint, MI's Kettering University (formerly General Motors Institute) and, among other places, worked for the California Fuel Cell Partnership before joining Toyota in 2012. Her first car was an '87 Camry. That's one personal side of Toyota's hydrogen push, and shows another way Toyota is introducing the world to this new powertrain (see also: winter performance). The nitty-gritty is made up of things like working with FirstElement Fuel Inc. on a hydrogen-refueling network in California. As for its fuel-cell sedan, which was displayed in FCV prototype form at the Consumer Electronics Show in Las Vegas in January and is due next year, Toyota said it expects the car to have a full-tank range of about 300 miles and a five-minute refueling time. That's if Ms. Birdsall has anything to say about it. Check out Toyota's press release about Birdsall below. Talkin' 'Bout a Revolution A healthy obsession leads Jackie Birdsall and TTC to the forefront of history The word she keeps using is "obsessed." Jackie Birdsall became "obsessed" with cars when she was a teenager. That made her "obsessed" with the history of auto icons like Henry Ford and Lee Iacocca. In 2003, she did an internship with Daimler-Chrysler, leading to an "obsession" with hydrogen fuel cell technology. And now, as an engineer at Toyota Technical Center, Birdsall is "obsessed" with bringing fuel cell technology to the masses. But perhaps you need to be obsessed when you're trying to change the world. After all, revolutions don't blossom from complacency. Leading an alternative fuel revolution is just what Birdsall and her partners on the Fuel Cell Hybrid Vehicle team are doing. Collectively, they're finding tangible ways to reduce fossil fuels in the automobile world and figuring out how hydrogen fuel cells can be useful and affordable. In 2015, that obsession will bear fruit when Toyota's FCV hits the markets in California, Japan and Europe.

Does the Toyota Prius still matter?

Toyota remains incredibly proud of its green halo car, the Prius. On the company website, it calls the gas-electric car, "The hybrid that started it all." Chances are, if someone tells you to think of a hybrid car today, your first thought is going to be the Prius. Now a cultural icon, the Prius changed a lot of attitudes about what an efficient car is able to achieve. But the car is aging, despite numerous refreshes and model tweaks over the years, and sales dropped 11.5 percent last year. It's taken Toyota 25 years of ups and downs to get the Prius to where it is today, and we started wondering if that's too long for the car to remain viable in an era of 40+ mile-per-gallon non-hybrid cars and a plethora of plug-in competitors for the green car crown (we're not the only ones). Plus, Toyota is rapidly shifting its green focus away from the Prius and towards the hydrogen-powered Mirai fuel cell car. But if you ask Toyota representatives if the Prius is still a vital car in 2015 – and we did – you'll find that there's still a lot of love for the car that went before. For example, Geri Yoza is a Toyota national manager who spent years traveling all across the US teaching people about the Prius. The veteran of countless customer education sessions told AutoblogGreen that it took a long time for the Prius to "cross the technology chasm," and that it wasn't until about a decade after launch that the car became a common sight outside of the initial popularity hotspots. "It takes a while for people to become confident in the technology, to understand that it's been proven," she said. Now that the hybrid is ensconced in the public mind, it's time for the next step. "I think the Prius, the whole idea 'to go before,' was to go before the Mirai." Part of that precursor status is due to the fact that a lot of the Prius' powertrain technology has made the jump to the Mirai. When we asked Bob Carter, Toyota's senior vice president of automotive operations, if the Prius still matters, he had a clear answer: "My goodness, yes." "We've been selling hybrids for 25 years," he said, "but when you go back, we had said that the Prius and hybrid technology were a bridge to the future and we were very clear that it's going to be a very long bridge. Essentially, and I'm not an engineer, the Mirai takes the technology from the Prius and takes the ICE engine out and puts a fuel cell stack in.