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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.

MotorWeek finds nice things to say about the 1993 Ford Probe

This latest in MotorWeek's series of Retro Reviews continues its recent trend of remembering the massive glut of sports coupes that hit the market in the '90s. While vehicles like the Mitsubishi 3000GT, Mazda RX-7, and Ford Mustang all enjoy solid reputations down to this day, the 1993 Ford Probe, well... doesn't. As you'll soon see, though, the show's opinion suggests the coupe's second generation isn't really all that bad. Turns out they just weren't particularly sporty. Ford and Mazda developed the Probe together, and the Japanese company supplied both the base 115-horsepower 2.0-liter four-cylinder and the 164-hp 2.5-liter V6 in the GT trim. The original's pseudo-angular look gave way to a much smoother shape for the second generation. Of course, pop-up headlights remained, which were a design hallmark for many of this era's sports coupes. After driving it, MotorWeek proclaims the Probe is "a winner" and considers the handling a "delight." That's not a big surprise, considering that in those days, a car had to be really bad not to get a decent review from Television's Original Automotive Magazine. However, the show hints at some of the reasons the coupe isn't so well remembered today. Even the GT reportedly suffers from soft springs and lots of understeer, which sounds like exactly the opposite anyone hoping to drive the coupe enthusiastically would want. To sum it all up, we're sure you're just as happy as we are that Ford went back on its initial plan to shelve the Mustang in favor of the front-drive Probe. Related Video:

2014 Mazda6 i Sport

In an automotive landscape dominated by platform sharing, technology exchange and any number of other cross-fertilization/cost-saving/amortization exercises, it's actually pretty rare that we get to drive a new car that is as "all-new" as this, the 2014 Mazda6. With brand-spanking new Skyactiv architecture throughout - engine, transmission, body and chassis all included - this 6 represents a new era of flexible production and cutting edge running gear for the happily lithe car company.
Our own Jonathon Ramsey did a cracking job of running the Mazda6 through its First Drive paces a few months ago, and sufficiently impressed upon us just how good looking a car this is for the midsize sedan segment. Suffice it to say, now, then, that this is easily the most interesting (and quite possibly the most beautiful) midsize sedan in the segment today. However, as Mr. Ramsey reviewed a fully contented example of the 6 - one equipped with the six-speed automatic transmission - we took advantage of Mazda's North American launch event of the car to suss out the base Mazda6 i Sport, complete with its six-speed Skyactiv manual gearbox. This may not shock you, but the stripper's pretty good, too.
Driving Notes