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Mazda Skyactiv-D racer first diesel to run at Indy in 60 years

While it may not be touting the old "Win on Sunday, sell on Monday" axiom we all know and love, Mazda recognizes that racing can only improve its cars. And so it's no surprise that the Japanese automaker is testing and refining its Skyactiv-D diesel engine by sending it out on various race tracks around the country - notably being the first diesel ever to compete at Daytona and the first to notch a Grand Am win at Road Atlanta.
Next up? Indy. It has been over 60 years since a diesel-powered machine ran at the Indianapolis Motor Speedway, and the Cummins-powered racer that competed in the 1952 Indy 500 with a 6.6-liter inline-six-cylinder oil-burner was a fast and brutal machine that set a new lap record in qualifying leading up to the race. Though that car was withdrawn with turbocharger failure 71 laps in, its diesel powerplant left an indelible impression on the racing community, and that's something Mazda hopes to accomplish once again.
Mazda says that the diesel engine in its race car is pretty darn close to stock - 51 percent stock by parts count, and 63 percent stock by weight - which means the way it performs in competition is at least a somewhat meaningful way to the stock engine's durability in the real world. Check out the image of the Mazda6 Skyactiv-D racer posing alongside the 1952 Cummins above (click to enlarge) and feel free to peruse the press release below for the rest of the details.

Mazda CX-30 Luggage Test | How much cargo space?

The Mazda CX-30 is pretty much a lifted Mazda3 hatchback. Same platform, awfully similar dimensions, and the interior's a spitting image (if not identical). Ditto cargo capacity. On paper, the two have virtually the same amount of space behind their raised back seats, with the CX-30 at 20.2 cubic-feet and the 3 with just a teensy less at 20.1.  Now, before I go any further, let's see how much that 20.1 cubic-feet relates to in the Mazda3. I wasn't yet doing this test format back then, hence the video.  For reference, both tests used my standard luggage selection of two midsize roller suitcases that would need to be checked in at the airport (26 inches long, 16 wide, 11 deep), two roll-aboard suitcases that just barely fit in the overhead (24L x 15W x 10D), and one smaller roll-aboard that fits easily (23L x 15W x 10D). The bag of baseballs shown in the video is slightly smaller than my new small-bag go-to, my wife's fancy blue overnight bag (21L x 12W x 12D). So, the mark to beat is therefore all the bags minus the smallest roller.  Here is what 20.2 cubic feet looks like in the CX-30. To move beyond the Mazda3 comparison, that figure is in keeping with the CX-30's niche placement between subcompact (the teens) and compact SUVs (upper 20s to upper 30s). The Mazda CX-5 has 30.9 cubic-feet.  Now, typically, I start off by seeing how much I can fit inside with the cargo cover in place. Sadly, this particular CX-30's cargo cover is missing. We'll just have to hope it doesn't rob the CX-30 of as much space as the CX-5's does.  First off, it's immediately noticed that the CX-30's cargo area is not as long as the 3 hatchback's. The largest bag just barely squeezed inside, whereas there was some room to spare in the 3. Now, let's keep loading.  Whattya know? All of the roller bags fit inside. That includes the smallest one, which didn't fit in the 3, fitting atop the stack with perhaps 30% of it over the back seat line. Now, I could've done the same Tetris stack in the 3, but I'm virtually certain the hatch wouldn't have closed. Advantage, then, to the CX-30 and its extra height.  And surprise, the fancy bag also fits. Technically. It robs rear visibility, is pretty far above the seat line and it just barely fits under the back light. If it was filled, I have my doubts about its inclusion. Nevertheless, with or without it, there's still a bit more space on the right side for that bag of baseballs.  Now let's discuss the power liftgate.

Better as a coupe | 2017 Mazda MX-5 Miata RF First Drive

The sun can kill you. It'll also make you hot and sticky and smelly. It's a real nasty thing despite, you know, making virtually all life on Earth possible. Now, apparently, despite these risks, there are those who enjoy driving around in their car being slowly baked alive by our local star. It's insanity, really, and that's not even mentioning the indignities your hair suffers at the merciless force of the wind. So convertibles, then, who needs 'em? Just take the Mazda MX-5 Miata. Wonderful little car, barrels of fun, but wouldn't it be better off with 100 percent less sun? Besides keeping your dermatologist out of business, a solid roof would also lead to less wind noise, greater structural rigidity, and better safety for the vampire population. Nothing but Ws on the board. Alas, the 2017 Mazda MX-5 Miata RF is not the ideal solution to this perfectly sane line of reasoning. It is not the BMW M Coupe or Porsche Cayman of Miatas. It's more like the 911 Targa of Miatas, although since its rear window lowers, the most accurate analogy would be the Honda Civic del Sol of Miatas. Feel free to put that on a billboard. Admittedly, it's a pretty neat bit of engineering and design, and despite the incredibly flattering comparison above, it is accurate to describe its overall look and concept as unique. RF stands for "Retractable Fastback," which is an on-the-nose description. With the entire roof mechanism in place, it does indeed resemble a fastback in profile. From a rear-three-quarter view, that fastback is revealed instead to be buttress panels with a longer deck and a verticalish window placed between them. The Ferrari 575M Superamerica would be another point of reference, but the Miata RF is far better realized. It's particularly impressive how Mazda's designers managed to carefully reshape the Miata's rear quarters to fit and conceal the buttresses' cut line. From most angles, there's no indication that they're anything other than contiguous with the rest of the car. The little black panels that look like darkened windows at first glance are less successful, but they're also clearly necessary to create the desired buttress look and to conceal the roof mechanicals beyond. Ah yes, the compact mechanicals that make the fastback retractable and subject you to the sun's wrath.