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Next Mazda MX-5 Miata to weigh a ton(ne), literally

Looking at recent spy shots of the fourth-generation Mazda Miata, it's obvious this sporty little roadster will grow in size compared to the current model, but it's also going on a diet. At the Tokyo Motor Show, Auto Motor und Sport sat down with Mazda executive Kiyoshi Fujiwara, who gave a little more insight into the Miata's redesign.
Fujiwara said that they're aiming for a curb weight of a tonne (metric ton), which is 1,000 kilograms or right around 2,200 pounds, for the next-generation Miata. This would make the roadster at least 300 pounds lighter than the current NC Miata, but still about 200 pounds heavier than the original NA.
There is no indication as to how Mazda will go about removing that much weight from the bigger car, but with as popular as the power retractable hard top (PHRT) model is on the current car, the new Miata may ditch this feature to lose its weight. Improving the power-to-weight ratio appears to be a key goal of the Mazda team, so we also wouldn't be surprised to see a more powerful engine underneath the longer hood.

Consumer Reports digs Mazda3, disses Jeep Cherokee

Consumer Reports has just rendered its verdict on two of the more important cars to launch this year - the Mazda3 and the Jeep Cherokee. Considering the value a "Recommended" rating carries with the public and the viciously competitive markets these two cars compete in, Consumer Reports' view could have some impact on their initial success.
For Mazda, that's a good thing. CR spoke quite highly of the Zoom-Zoom brand's compact sedan and hatch, testing both models, and citing the excellent fuel economy and snickety-snack manual shifter as high points. Downsides to the 3 included a ride that is agile but "nervous," a bit too much noise and a cramped back seat. Still, the 3 was good enough to earn its place in the ranks of the "Recommended."
The Jeep didn't fare quite so well, with CR calling the polarizing CUV "half-baked." Although both engines were tested, the magazine called the 2.4-liter four-pot underpowered and its nine-speed automatic unrefined and unresponsive. That's particularly damning, considering the 9AT's role in future Chrysler products, including the extremely important 200. Overall, the Cherokee missed out on the coveted "Recommended" rating.

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.