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Patent application suggests Mazda rotary return

A recent patent application by Mazda reveals that the Japanese automaker is still working on the rotary engine. This could in fact be the Skyactiv-R engine found in the RX-Vision concept from the 2015 Tokyo Motor Show. As with anything Wankel-related, nothing is certain until Mazda makes a production commitment. But this filing suggests that serious development is happening in Hiroshima. The 2011 Mazda RX-8 was the last rotary-powered car you could buy in America. Slow sales, poor fuel economy, and tighter emissions standards prevented Mazda from committing to a follow-up. But the fundamental principles of the rotary - compact size and light weight - perfectly fit Mazda's Skyactiv ethos. (For an explanation of how rotaries work, click here.) In this new engine the intake port sits at the bottom of the engine with the exhaust port on top instead of the other way around. That allows for lower mounting, which improves a car's center of gravity. This rotary is also turbocharged. Putting the turbo up high helps ensure it doesn't get in the way of any body or chassis crossmembers. The implication of those claims is that somebody is thinking about how to put this engine in a car. There are other benefits as well. The short path from the exhaust port to the turbo ensures minimal turbo lag. It also allows for a close-mounted catalyst on top of the enigne, which will help emissions. Another innovation in this new engine is a triangle-shaped rotor that covers part of the exhaust port. This allows for different exhaust flow characteristics. The filing claims that that two of the four orientations allow for less airflow resistance in the exhaust port. As in previous Mazda rotaries, there are two spark plugs to manage ignition timing and combustion. But unlike in the 16X concept, Mazda's last public display of such an engine, the new rotary uses port fuel injection. Keep in mind this is only a patent application. A Mazda spokesperson refused to comment on future product, but commented "As we stated at the Tokyo motor show, Mazda is doing all that it can to bring a rotary to the market." In the meantime, keep your RX-7 prayer candles lit and hope for the return of the rotary before the end of the decade. You can bide your time by reading the entire application here. Related Video: Related Gallery Mazda RX-Vision Concept: Tokyo 2015 View 11 Photos News Source: USPTO via autoevolution Rumormill Mazda Performance rotary mazda rx7

This California rally is vintage Japanese car heaven

What's so good about the future? This is what I was thinking when some folks at Mazda invited me and a handful of other journalists to join them on the second-annual Touge California. It's a rally for classic Japanese cars that covers a huge chunk of Southern California's twistier roads, where fans get to test their beloved machines. Oh, and it attracts swarms of admirers with cameras. "It is not a race. It is a vintage touring rally," said Ben Hsu, editor in chief of Japanese Nostalgic Car, and one of the coordinators of the event. "In Japan, touge most definitely refers to racing, whether timed, in touge battles, or drifting antics. Touge California was created to give drivers of Japanese classics a taste, as close as possible, of the types of roads their cars were forged on." Touge California was created to give drivers of Japanese classics a taste, as close as possible, of the types of roads their cars were forged on. We started the day on a mundane stop-and-go freeway drive from Mazda's Irvine headquarters to Escondido, me riding shotgun with my journalist co-driver in a 2016 Miata. But Mazda also brought along three heritage products on this trip – a 1985 RX-7 GSL-SE, a 1978 GLC three-door hatchback, and a 1975 REPU (rotary engined pickup) – serving as reminders of the company's history in the U.S. The group of Mazdas was joined in Escondido by many more Mazdas. And Toyotas, Hondas, Datsuns – so many 240Zs – and the odd Subaru and Mitsubishi. In total, 28 cars were at the start line. "We doubled the field this year, and made the route longer – 200 versus 120 miles," Hsu said. "We separated the cars into two run groups based on speed and a mix of makes and models." I spent the first part of the rally in the Mazda pickup to get a taste of rotary power. It was my first experience behind the wheel of a Wankel-powered vehicle, my first time driving a small Japanese truck from the '70s, and my God that thing has a lot of power. I had a few scares when I had to stand on the brakes, and I found the shift throw's immense length disconcerting – it felt like third gear engaged somewhere in front of the dashboard, with fourth somewhere in the bed. The truck was a great introduction to the rotary, however, and to '70s Japanese cars. Especially in Southern California, old Japanese cars aren't as novel to casual observers as they might be in other parts of the country.

Mazda struggles to meet demand on rising sales

For Mazda there's good and not-so-good news on the heels of strong US sales in 2012: demand is high - especially for the Mazda3, Mazda6 and CX-5 - but supply is low, TheDetroitBureau.com reports. That's partly because all Mazda production happens in Japan, since it ended its alliance with Ford and pulled out of a joint venture with the blue oval building cars in suburban Detroit last year.
In 2012, Mazda sales here jumped 26.4 percent, but 2013 sales through August have just been keeping pace with the overall US auto industry, increasing at a rate of 6.8 percent. Mazda North American Operations director of marketing and communications Jeremy Barnes says that sales have slowed because the company is facing challenges delivering products here.