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Mazda Skyactiv-X Review | The revolution begins with a squeeze-bang

The matte black Skyactiv-X prototype looks like a rough Mazda3, perhaps reconstructed after a bad wreck by an over-enthusiastic owner of a spot welder and lots of gaffers' tape. Ribbed ducts poke out of the dash sending two breaths of conditioned air to no one in particular. Even its revolutionary engine, the thing we're here to experience, is entombed in a massive, nondescript cover to mask its unseemly noises. It's a wild, strange way to meet a very unconventional vehicle that promises diesel-like fuel economy, a wide torque band, and an exotic method for burning less gas than ever before. It takes a few hours for Mazda's engineers to explain the fundamental principles of operation. For more detail, read our Skyactiv-X Spark Controlled Compression Ignition explainer, but here's a very brief overview. Skyactiv-X marries some traditional gasoline engine characteristics with a novel form of compression ignition called SPCCI. The key for Skyactiv-X is to use very high compression in the cylinder and an extremely lean fuel-air mixture. Squeezed right to the cusp of getting hot enough to blow up all on its own (which is very hard to predict), a squirt of extra gas and a spark interject to cross that compression-ignition threshold in a controlled and predictable manner. See the animation below: That takes a few essential components to get just right. One is a massive amount of computer processing power and some pressure sensors in the individual cylinders, because the ambient conditions change how and when these things happen. Skyactiv-X uses a clutched supercharger to pump in additional air when needed to nail the mixture precisely, and high-pressure injectors to get the low ratios of fuel to disperse properly in the chamber. And since it operates like a conventional gasoline engine sometimes, it uses valve timing to lower the very high compression ratio so it doesn't reach combustion ignition in that mode. In practice, the Skyactiv-X runs in compression ignition mode most of the time. In practical terms, that means it drives like a torquey gasoline Skyactiv engine. The torque curve is broad and flat — diesel-like in that respect. That also means it can get away with using a six-speed transmission and a lower final drive for better response. There's enough grunt and economy together that Mazda can let the engine spin faster — at 60 mph, it's running at roughly 1,000 more RPM than a similar gas engine, with greater efficiency.

Mazda names new North American chief

Mazda has announced today the appointment of a new president and CEO of its North American operations. Jim O'Sullivan, who has been running the office for 13 years, is now leaving the company. In his place the head office has appointed veteran manager Masahiro Moro, and as you can see, he could not be more thrilled with the appointment. A 55-year-old native of Kyoto, Moro has been with Mazda since 1983. One of the company's managing executive officers, Moro currently heads up its global sales and marketing division. He also previously served as vice president of marketing and of product planning for Mazda Motor Europe, and as director of the company's Australian operations. He'll now be relocating with his wife and family to Southern California to take over the North American division based out of Irvine, effective January 1. His predecessor Jim O'Sullivan has held the office since 2003, also ranked as one of the Japanese automaker's managing executive officers. The Detroit native previously worked at Ford, where he started his career in 1976. "I have been very lucky that the car business has afforded me so many incredible experiences, and taught me so much. However, now is the right time for me to retire from Mazda," said the 40-year industry veteran of his departure from the company in the statement below. "I don't know how the next chapter in my life will read, but it's time for me to spend time with my wonderful wife, my children and my grandchildren. I've travelled the world for nearly 40 years, who knows what the future holds?" Related Video: Masahiro Moro Named President, Mazda North American Operations - Jim O'Sullivan, Current President, to Retire after 13 Years Leading the Company - IRVINE, Calif., Dec. 21, 2015 /PRNewswire/ -- Mazda North American Operations (MNAO) today announced the appointment of Masahiro Moro to the position of President and CEO, MNAO. Moro, a Managing Executive Officer of Mazda Motor Corporation, will take over from Jim O'Sullivan, the company's long-serving outgoing president, who will be retiring from the company. The changes were announced today to company employees, and will be effective January 1, 2016. O'Sullivan joined MNAO as President and CEO in 2003, and also held the title of Managing Executive Officer of Mazda Motor Corporation.

2017 Mazda MX-5 Miata RF Quick Spin | Elevate yourself

It's unusually hot in Western Washington; the early August sun beams through skies rendered hazy by fires a few hundred miles to the north. If you're not moving, it gets a bit oppressive, since there's just enough humidity to feel it and not enough wind to relieve it. Instead of huddling inside, window shades drawn, fan blowing hot air around impotently – this is how most Washingtonians, 75 percent of whom don't have A/C, handle the heat – we're taking our fan on the road. The best way to beat the heat, it turns out, is to climb into the forests. For this adventure in body temperature regulation, we've got a Mazda MX-5 RF, the Miata's semi-targa-topped variant, and a few hours of time. And the Cascade Mountain's foothills, thickly coated with Douglas firs and, higher up, subalpine firs soaking up as much sun as they can in the short growing season. I've lived near the foothills nearly all my life, but there's a lot of the Cascades I haven't explored. One area is Chinook Pass, a mountain road that crests at 5,430 feet. Looming almost 9,000 feet above it is Mount Rainier, so close you can almost touch it. Just about 100 feet below the summit is Tipsoo Lake, startlingly clear and sporting enough wildflowers to make The Sound of Music look like a movie about Rommel's North Africa campaign. But that's jumping ahead a bit. Between me and the summit is about 90 minutes of driving, through the suburbs and into the Enumclaw Plateau, and then along the chalky White River and up into the mountains. Plenty of time to focus on nothing but the surroundings, and the quality of the cooling action provided by the little Mazda. A quick word about the car, and my own biases – I love Miatas, but I have a complicated relationship with the latest MX-5, having owned a much more visceral (and much slower) first-gen car for about six years. On paper, it's this perfect modern interpretation of the original. It's light, it's a momentum machine, the steering's just a tad overboosted, and it has a playful amount of body roll while maintaining a healthy amount of mechanical grip. It looks aggressive enough, too, a major complaint of many folks about the last-gen car's Joker smile. The interior is largely brilliant, amazingly simple and interesting for such a lithe car. And yet, I have never found the new car to be as charismatic as my old Miata, with all its flaws. This puts me in the minority; most MX-5 fanatics find the ND to be a great compromise.