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Mazda hard at work on Skyactiv 2 engine technology

As Mazda continues the current rollout of its still-new Skyactiv technology, the automaker is already looking at improving its family of engines for even better fuel economy and emissions reductions. Automotive News reports that with stricter fuel economy and emissions regulations planned for 2020 and 2025 in Europe, Mazda will likely release engines with next-generation Skyactiv 2 technology by the end of this decade, and Skyactiv 3 units just five years later.
The latter is expected to focus on improved engine cooling and lessening energy losses, but the big news in AN's report is that the next-gen Skyactiv 2 engines will use Homogeneous Charge Compression Ignition, or HCCI. This type of ignition is very similar to how a diesel engine operates (with high compression and using the compression stroke for fuel combustion rather than spark plugs), a method said to provide a cleaner and more efficient fuel burn - to the tune of a 30-percent improvement in fuel economy compared to current Skyactiv engines. Other automakers, including Hyundai, have already announced they are developing HCCI powerplants with similar technology and characteristics, so Mazda likely won't be a lone wolf here.
Equipped with HCCI technology, Mazda figures to be able to compete with larger automakers in terms of fuel economy and emissions without resorting to hybrid powertrains, continuously variable transmissions or automatics relying on more forward gears (eight or more) for optimal efficiency. Some of the challenges of HCCI, according to AN, include the need for better engine cooling, risk of misfire at high and low rpm and uneven engine performance based on fuel properties.

A tough choice: 2017 Honda CR-V vs. 2017 Mazda CX-5

One has to feel for the typical new-car buyer. The one not reading Autoblog and the one who recognizes a V8 as vegetable juice. For them, picking between compact crossovers must seem like choosing between various identically sized cardboard boxes. Which one do you want? "Ah, I'll take the one with the best deal." Except, with the 2017 Honda CR-V and now the 2017 Mazda CX-5, Joe P. Everyman has a chance to choose between two vehicles that are quite clearly different, yet also clearly leaders in what they do. Everything else seems like alternatives based on price or perhaps off-road readiness (Jeeps Compass and Cherokee, perhaps a Subaru Forester). As scheduling would have it, a 2017 CR-V Touring just happened to be sitting in my garage the week I was set to drive the new CX-5 Grand Touring in San Diego. This isn't a complete, scientifically enacted comparison test, but there was enough drive time in close succession on the same roads and with similar price tags to draw conclusions. At its simplest, the CX-5 is the best choice for the driver while the CR-V is the best choice for everyone else aboard. That's not to say they are myopic in those classifications – the CX-5 could still ably handle family duty, while the CR-V is impressively well-rounded to drive in a way that shouldn't turn off those seeking some driving involvement. However, each has a clear focus that sets it down a different path toward different target buyers. Let's start with the newer kid on the block from Mazda. It is best suited for the person whose life changes have dictated the switch from an agile car to some sort of family hauler. Its spot-on steering and throttle response evoke Porsche, while the six-speed automatic transmission favors performance over fuel economy (while still getting really good fuel economy). Those dynamic elements, plus a carefully crafted, ideal driving position should make the CX-5 feel "just right" for those used to more sporting, non-family-oriented transport. Inside, the latest CX-5 boasts a handsome, upscale design with materials to match. Aesthetically, to these eyes at least, it's the best of a crowded bunch. Quality-wise, only the also-impressive CR-V would seem to come close. Along with the slick new exterior, the cabin conveys the more premium vibe that Mazda was shooting for with the new CX-5 – it also makes a more emotional connection than the typical cardboard box on wheels.

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.