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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.

Next-gen Mazda MX-5 Miata mule spied 'Ring testing

Fans of simple, lightweight motoring, rejoice - we now have images of the next-generation Mazda MX-5 Miata undergoing testing at der Nürburgring Nordschleife. Now, to be fair, this isn't some lightly camouflaged example that will give us a great peak of what the next Miata, which will also become the next Alfa Romeo Spider, will look like. This is a mule, with the new bits hidden under a current Miata's body. That doesn't mean there aren't a few scraps of valuable information here, though.
According to our flock of camera-toting spies at the Nürburgring, the next Miata is likely to grow a bit, as new models are wont to do. In particular, it will be longer and wider, and the wheelbase is likely going to be stretched, based on the shape of the wheel wells and doors. Both of those factors will add more space in the cabin.
Those are the big indications provided by these photos, but while the MX-5 might be growing, it's a safe bet based on these images that it, and the (likely pricier) Alfa, will retain the classic, long-hood, short-deck styling that so typifies rear-drive roadsters.

Mazda3, CX-5 earn IIHS Top Safety Picks

Mazda technologies like SkyActiv-Body and SkyActiv-Chassis, plus ultra-high-tensile steel, six airbags, "crusable" brake and accelerator pedal assembly and collapsible steering column have helped the 2013 Mazda3 and 2014 Mazda CX-5 win Top Safety Pick laurels from the Insurance Institute for Highway Safety (IIHS). It's the second year in a row for the Mazda3.
The accolade is earned by receiving "Good" marks for frontal moderate overlap crashes, side and rear impact crashes, and tests of roof strength. Remember, the small overlap test that the IIHS commenced in August 2012 has lately tripped up some makers who have excellent safety reputations.
The Mazda3 and CX-5 join offerings like the Dodge Dart, Hyundai Elantra, Mitsubishi Outlander Sport and Subaru Forester among the 117 vehicles so far declared Top Safety Picks - which is different than the 13 named Top Safety Picks+, mind you - for this year. Have a read of the press release below for more information.