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Mazda's next-gen SkyActiv engines will drop spark plugs in favor of high compression

Homogeneous charge compression ignition, or HCCI, is the black art of internal combustion engines that aims to produce diesel-like fuel efficiency for the cost of gasoline. Although some of its competitors have developed and subsequently given up on the tech, Mazda confirmed that the next-generation of SkyActiv engines will employ HCCI technology, improving fuel economy by 30 percent and at the same time reducing exhaust emissions. According to Nikkei, a new SkyActiv family of engines is set to debut under the hood of the next-gen Mazda3 sometime in 2018 before making its way into other vehicles. In simple terms, an engine that uses HCCI burns the air/fuel mix using pressure instead of with spark plugs, just like a diesel. At 14:1, Mazda's gasoline engines already have some of the highest compression ratios out there, but a move to HCCI means cranking up the compression to 18:1. While the tech sounds relatively straightforward, using HCCI means dealing with a number of side issues. It's one of those "on paper" ideas that compounds problems when put into practice. Heat, revs, and fuel must all be carefully managed as gasoline doesn't burn the same way as diesel. Mazda is mum on details, but the automaker seems confident that the issues have been sorted. If the new engines do indeed make it to market with HCCI, Mazda will have out-engineered GM, Daimler, and Hyundai, all of which have tried and failed to develop HCCI engines in a cost-effective package. With the market moving towards electrification, it's interesting to see Mazda still focusing so heavily on traditional internal combustion gasoline engines. It's an indication of where they see the market heading for the next few years. Although the automaker has been hesitant to move forward with hybrid and electric powertrains, Nikkei also reports that Mazda will begin mass production of EVs in 2019. Related Video:

2017 Mazda CX-9 offers three rows of turbocharged style in LA

With the introduction of the second-generation Mazda CX-9 at the Los Angeles Auto Show, the Japanese brand now has a stylish, modern crossover to fit just about any buyer's size requirements. And it's more than just a pretty face, thanks to a new 2.5-liter turbocharged engine under the hood. The latest CX-9 has all the styling traits of a modern Mazda with its shield-like grille and narrow headlights. The design execution lacks some of the curvaceous lines of models like the Mazda3, but the CUV gains a tougher look thanks to extra embellishment around its fenders. The interior looks equally attractive with brown Nappa leather and a combination of black and metallic trim. The CX-9 also introduces Mazda's Skyactiv-G 2.5T turbocharged four-cylinder that makes 250 horsepower and 310 pound-feet of torque. Power gets to the road via a six-speed automatic gearbox, and the CUV is available with the company's i-Activ all-wheel-drive system. Customers can also order an array of assistance tech, including adaptive cruise control, lane-keep assist, blind spot monitoring, and more. The CX-9 arrives this spring, but you can get a good look now in the gallery from LA. Related Video: All-New Mazda CX-9 Three-Row Crossover Debuts at 2015 Los Angeles Auto Show - CX-9 offers elevated experience with innovative technologies, new SKYACTIV-G 2.5T engine and premium, authentic materials - When the Mazda CX-9 made its world debut back in 2006, it was an epiphany: A midsize three-row crossover SUV that defied the conventional design cues and cumbersome driving experience expected of vehicles in its class. Despite being a large vehicle, CX-9 is, after all, still a Mazda. CX-9 quickly captivated the automotive industry, winning numerous accolades. Now comes the encore: the latest, grandest expression of KODO—Soul of Motion design yet and the high-end model of Mazda's new-generation lineup. Its cachet is elevated with a proud front fascia that cascades into crisp lines that flow to the rear. Its interior is nothing short of breathtaking, with available Auburn-colored Nappa leather, Japanese rosewood and aluminum. The focus was on authenticity; an experience rather than simply another commodity conveyance. With the new CX-9, engineers sought to instill driving dynamics befitting of a Mazda—agile handling, tight steering and a responsive, controllable powertrain. To do this, they found smart solutions to keep CX-9's structure light, yet rigid, with SKYACTIV Technology.

Kiwi seniors accidentally lock themselves in Mazda3 for 13 hours, nearly die

It's an over-played trope that senior citizens are bad with technology. Its regular use as a comedic device, though, overshadows a more dire circumstance that comes when elderly citizens are paired with gizmos and gadgets they don't fully understand. A couple from New Zealand spent the night in their new, smart-key-equipped Mazda3 after thinking they'd locked themselves in, in what The Otago Daily Times called "a series of 'Murphy's Law' events." The two thought the car wouldn't function without the key fob, which had accidentally been left outside of the car, along with the owner's manual. That, along with the combination of stress, darkness and a lack of overall information about the car nearly killed Mollieanne and Brian Smith. After thinking they'd become trapped, the Smiths, 65 and 68, respectively, tried honking the horn to alert neighbors – it was Guy Fawkes Night, so the sound was drowned out by fireworks – and even took the Mazda's jack to a window in their attempt to escape. When they were discovered and freed 13 hours later, Mrs. Smith was unconscious and Mr. Smith was having trouble breathing, with emergency crews telling the couple another half hour in the car would have killed them. Mr. Smith later told The Otago Daily Times he was "very methodical," but couldn't figure out how to unlock the car. "Once I found out how simple it was to unlock it I kicked myself that I did not find the way out," the 68-year-old told The Times. "I had this mind-set that I did not have the transponder [so I could not get out]." Mazda New Zealand pointed out that is not the case. "It's not a design flaw with the car," Mazda New Zealand General Manager Glenn Harris told The Times. "What we have said to the [dealership] network is, with new technologies, don't forget to show customers how to use them in their entirety [and] how to override them. There is always a manual process to override them." Featured Gallery 2014 Mazda3 Hatchback View 9 Photos News Source: Otago Daily TimesImage Credit: Mazda Auto News Mazda Safety Hatchback Economy Cars mazda mazda3