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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

Mazda6 diesel delayed until April

Diesel enthusiasts waiting on the new Skyactiv-D-powered Mazda6 will have to wait a bit longer. The shapely fuel-efficient four-door has just had its North American launch pushed back to April, due to delays in emissions testing. Mazda had originally planned to launch the Mazda6 diesel before the end of this year, making the four- to five-month delay a rather serious one.
Mazda's senior vice president of US operations, Robert Davis, told Mazda employees in a letter obtained by Automotive News that, "final certification testing - the results of which are looking encouraging - is taking longer than we had initially expected." Following this letter, Mazda made an official announcement:
"The on-sale date for Mazda6 SKYACTIV-D clean-diesel has been moved to late-Spring 2014, to accommodate final emissions testing and certification. We are pleased with the ongoing development and are excited to launch this much-anticipated vehicle in North America. 2014 Mazda6 sales continue to exceed both our expectations and our production abilities, and supplies of the car are short at dealers across the U.S. More information on the SKYACTIV-D clean diesel Mazda6 will be available closer to the on-sale date."

Trump declaration they're a security threat stuns Japanese automakers

TOKYO — Japan's automakers' lobby said on Tuesday it was dismayed by President Donald Trump's declaration that some imported vehicles and parts posed a threat to U.S. national security, as the industry braces for a possible rise in U.S. tariffs. Trump made the unprecedented designation of foreign vehicles on Friday but delayed for up to six months a decision on whether to impose tariffs to allow for more time for trade talks with Japan and the European Union. "We are dismayed to hear a message suggesting that our long-time contributions of investment and employment in the United States are not welcomed," said Akio Toyoda, chairman of the Japan Automobile Manufacturers Association. "As chairman, I am deeply saddened by this decision," Toyoda, president of Toyota, said in a statement. Trump has threatened to impose tariffs of up to 25% on imported cars made by foreign automakers, a move which automakers have argued would ramp up car prices, curb the global competitiveness of U.S.-made vehicles and limit investment in the country, the world's No. 2 auto market. The United States is a vital market for Toyota, Nissan, Honda and other Japanese car makers. Autos and components are among the Asian country's biggest export products. Most of Japan's major automakers operate plants in the United States. The Japan Automobile Manufacturers Association notes that its automakers build about 4 million vehicles a year in North America, or 75 percent of what it sells here. Many are built for export, helping lessen the U.S. trade deficit Trump is concerned about. Major automakers have announced a slew of investments in the United States since Trump took office in January 2017 and put pressure on the industry to create more U.S. jobs. For its part, Toyota has pledged to invest almost $13 billion in the United States between 2017 and 2021 to boost manufacturing capacity and jobs. This includes $1.6 billion for a vehicle assembly plant in Alabama jointly run with Mazda. Government/Legal Honda Mazda Mitsubishi Nissan Toyota Trump