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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

Turbo Mazda6 starts at $30,090, only base trim gets manual

We learned last fall that the 2018 Mazda6 is getting a slew of updates to its appearance and refinement, as well as introducing this generation's first turbocharged engine (may we never forget the old Mazdaspeed6). Now we know how much it will cost to get that 2.5-liter four-cylinder's 250 horsepower and 310 pound-feet of torque: $30,090. This is the base price of the Mazda6 Grand Touring, which is the entry trim level to this engine. In fact, the Grand Touring will only come with the turbo engine, as will the new Grand Touring Reserve and Signature trim levels. The base-level Sport trim and higher-level Touring will only come with the naturally aspirated 2.5-liter four-cylinder (187 hp, 186 lb-ft of torque) that now comes with cylinder-deactivation. Every Mazda6 will receive a comprehensive series of updates when it arrives at dealerships this April. The revised Sport, which comes with cloth manual seats, dual-zone climate control, 17-inch alloy wheels, LED headlights, blind-spot warning, rear-cross traffic assist and low speed automatic emergency braking, is only $5 more than the outgoing 2017.5 model for a new base price of $22,840. The optional automatic adds another $1,050 to the price. Moving up to Touring limits you to only the automatic transmission and adds 19-inch alloy wheels, leatherette upholstery, a power driver's seat, heated front seats, a sunroof, and rear air vents. It starts at $26,590, $455 more than the outgoing model with the optional automatic. Moving up to the Grand Touring brings us to the turbo engine. It also adds an 11-speaker Bose sound system, navigation, heated side mirrors, and an auto-dimming driver's mirror. It also gets shift paddles on the steering wheel, so although the turbo engine won't be available with a manual, there will be a way to conveniently shift gears. Its price is $30,090, and as a point of reference, the cheapest Honda Accord with the 2.0-liter turbocharged engine starts at $31,200 with either a manual or automatic transmission. The Grand Touring Reserve comes in at $32,590. This trim adds a heads-up display, rear spoiler, windshield wiper de-icers, heated steering wheel, heated rear seats, real leather upholstery, and power adjustment and ventilation for both front seats. The range-topping Signature starts at $35,640 and adds Nappa leather, UltraSuede trim, parking sensors, 360-degree camera views and a configurable instrument screen. Related Video: This content is hosted by a third party.

Mazda recalls 2019-2020 Mazda3 for errant activation of emergency braking system

The newly redesigned Mazda3 has been subject to numerous recalls since it went on sale for the 2019 model year. Today brings news of another such occurrence, as Mazda recalls 35,390 2019-2020 Mazda3s (sedans and hatchbacks). This recall is related to the automatic emergency braking system equipped to certain models. According to Mazda, affected vehicles may “unexpectedly stop while driving due to inadvertent activation of the Smart Braking System automatic emergency braking system.” The programming of the systemÂ’s software could cause the Mazda3 to “falsely detect an obstacle in front of the vehicle while driving.” In response to that detection, the software may automatically apply the brakes despite no collision being imminent. We donÂ’t have to explain how dangerous that could end up being for the driver and those around them. Your car slamming on the brakes for no reason could easily be the cause of an accident. As of now, Mazda says no injuries or deaths have been reported as a result of the defect. In case you havenÂ’t experienced the system in your Mazda3 yet, there is something to look out for. Mazda says a warning alarm will sound and a warning message will appear in the instrument cluster and head-up display when the car is about to perform an emergency stop. Mazda said that itÂ’s reported the defect to the NHTSA, but it hasnÂ’t been posted on the website yet. The fix is easy for some, but more difficult for others. Vehicles with early build dates will need the whole instrument cluster replaced or reprogrammed, as these cars have a different procedure for "temporary manual deactivation of the Smart Braking System." These early build cars will also receive a new owner's manual to reflect the revised procedure of temporary manual deactivation of the system. Later cars will only need the Smart Braking System software reprogrammed with an improved version. Mailings to owners for notification purposes should be completed on or before February 17 next year.