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Mazda CX-9 Luggage Test | How much fits behind the third row?

We recently tested the luggage-carrying capability of one of the most spacious three-row crossovers, the Hyundai Palisade, and now it's time for one of the smallest. The Mazda CX-9 may look terrific and drive even better, but that zest comes at the expense of cargo capacity, as we're about to see. The big culprit is that rakish liftgate, which not only robs the CX-9 of luggage space, but third-row headroom as well. It's pretty dungeon-like back there despite competitive legroom, and there aren't any air vents or USB ports, either. But this is about cargo capacity, so let's see how much luggage will fit inside. According to the specs, the CX-9 has 38.2 cubic-feet with the third-row lowered. That's far less than the Palisade's 45.8 and Honda Pilot's 46.8. It's actually even less than the five-passenger Honda Passport (50.5).  The test car came with a $100 cargo mat, which is velcroed to the seats and folds OK with it, but the carpet also takes up some extra space ... and the CX-9 needs as much as it can get.  To raise the seats, lean inside and pull up/back on those two handles. There is 14.4 cubic-feet of space behind the raised third row. On paper, that is indeed one of the smaller amounts in the segment, but in practice, it seems even smaller.  You can free up space by removing the rigid floor panel. If you need to carry multiple pieces of luggage, it's almost a necessity.  OK, so I have two midsize roller suitcases, both of which would need to be checked. Then there's two larger carry-on roll-aboards and one smaller one. As a bonus, there's my wife's quasi-fancy weekend bag. It was a struggle to fit three of them aboard, and Tetrised together two formations. The first uses all three carry-on bags with the cargo floor removed. And no, the fancy bag won't fit atop the blue one because it'll run into the liftgate window. A smaller tote would definitely fit, however.  This is how I could fit one of the bigger check-in bags. The liftgate just barely closed. Again, you could fit a small tote atop the blue bag, plus some other items in the lower outboard regions.  OK, so how could you fit everything aboard? Lowering half of the 50/50-split third row is a must, obviously. Both big check-in bags then stack atop each other, and then stack the other four atop each other with the cargo floor in place.

Watch what happens inside a rotary engine

Since it looks like Mazda may very well revive the Wankel rotary engine as a range extender for electric cars, there's no better time to become reacquainted with the quirky internal-combustion engine. And there's hardly a better way to become reacquainted than by peering into a running rotary engine, which you can do with the video above. The video comes to us from the YouTube channel Warped Perception. The channel has already shown what happens inside a conventional internal-combustion piston engine by putting a clear cylinder head on top of a flathead engine. This new video shows off the rotary engine by adding a clear side to a tiny model-airplane engine, something that we weren't aware existed and are glad to know about now. Despite the tiny size, the engine is functionally almost exactly like the bigger versions you'll find in Mazdas from about 1967 to 2012. It has intake and exhaust ports on the edges of the rotor housing, and the triangular rotor swings about in a peanut-shaped housing. For maximum effect, jump to right around the 7:40 timestamp. This is the point at which a bit of acetylene is added to the air-fuel mix for a brighter flame. It's at this point that you can really see when the mixture combusts and how the pressure of the flame pushes the rotor to produce rotational motion. Each stage of the video does slow things down to make everything as clear as possible. Even if you already knew how rotary engines worked, it's still fascinating to watch, first because it's something you don't get to see usually, and also because of the engine's elegant simplicity. Related Video: Image Credit: YouTube / Warped Perception Weird Car News Mazda Technology Videos rotary rotary engine

8 cars we're most looking forward to driving in 2015

Now that 2014 is officially in the books, it's time to look ahead. And following our list of the cars we liked best last year, we're now setting our sights at the hot new metal that's coming our way in 2015. Some of these, we've already seen. And some are still set to debut during the 2015 auto show season. But these are the machines that keep us going – the things on the horizon that we're particularly stoked to drive, and drive hard. Jeep Renegade Not the Chevrolet Corvette Z06. Not the Ford Mustang GT350. Not the new John Cooper Works Mini. Nope, I'm looking forward to the adorable, trail-rated Jeep Renegade. And that's because I really, really, really like our long-term Jeep Cherokee Trailhawk. I do not, however, care too much for the Cherokee's looks, and I really don't like its $38,059 price tag. The Renegade Trailhawk, meanwhile, promises much of the same rough-and-tumble character as its big brother, but at what we expect will be a more reasonable price (I'm personally wagering on the baby Jeep's off-road model starting at no more than $23,000). With a 2.4-liter four-cylinder and a nine-speed automatic, it should also be a bit easier to fill than the V6-powered Cherokee. Also, I can't help but love the way the Renegade looks. It's like someone took a Wrangler, squished it by 50 percent and then handed it off to George Clinton for a healthy dose of funk. The interior, with its bright, expressive trims and color schemes should also be a really nice place to spend some time. I'll be attending the Renegade's launch later this month, so I'll have a much shorter wait than my colleagues. Here's hoping the baby Jeep lives up to my expectations. – Brandon Turkus Associate Editor Mazda MX-5 Miata Here's an uncomfortable truth: I'd rather spend a day driving a properly sorted Mazda MX-5 Miata of any generation on a winding road than I would nearly any other vehicle, regardless of power, price or prestige. It's not just that I prize top-down driving and enjoy the Miata's small size because it gives me more road to play with. I just find there's more motoring joy to be had with high-fidelity handling and an uncorrupted car-to-driver communication loop than I do with face-distorting power or grip – let alone valet-stand gravitas. But perhaps most of all, I love Miatas because they can deliver that level of feedback and driver reward at modest speeds that won't put the locals on edge or endanger lives – you can use more of the car more of the time.