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Mazda G-Vectoring Control makes driving better without you knowing

Mazda has just spent eight years developing a new technology that will make its new cars a lot more fun to drive, even if you have absolutely no idea that it's working. And subtlety's the point, Mazda engineers told us at a press event at Mazda Raceway Laguna Seca. In fact, the effects of what they've dubbed G-Vectoring Control are so fine that the marketing and PR teams are at a loss for how to do their jobs with it. "The engineers have done their work," said Mazda Director of Communications Jeremy Barnes, "But how do we get the message across?" The basic premise is this: G-Vectoring activates only when the car's on-board computer reads simultaneous steering and throttle input. The data — including throttle position, steering angle, and, crucially, how quickly you're adjusting the steering angle — are then funneled through an algorithm to reduce engine torque, which transfers vehicle weight, adding more grip to the wheels that need it. The system will appear first on 2017 Mazda6 sedans arriving in showrooms later this year, followed by the 2017 Mazda3. Actually, "subtle" does not even begin to describe the effect. G-Vectoring Control can detect as much as one tenth of one degree of steering angle, and changes the cornering forces only 0.1 to 0.5 g as a result. "That's less than the human body can feel," explained Vehicle Development Engineer Dave Coleman. In practice, G-Vectoring reduces the steering angle at turn-in, as well as the rate at which one turns the wheel. To demonstrate, Director of R&D Kelvin Hiraishi rode shotgun with us in a specially equipped Mazda6 that allowed him to turn G-Vectoring on or off at the push of a button (production cars will always have it on). Hiraishi had us drive a number of courses, including Mazda Raceway Laguna Seca itself, while an engineer measured our steering inputs with a laptop Matrix'd into the car's electronic brain. I drove the same course several times with the same car in the same conditions, with cruise control locked and the system turned on or off. Lo and behold, with G-Vectoring activated, the engineer's output graph showed that my steering inputs were indeed reduced ever so slightly. There were two times that G-Vectoring was markedly noticeable. The first on a turn with a minor banking toward the outside, and the second was during cornering over an artificially wet section of the course — in other words, when the car was at the limits of adhesion.

Mazda still really wants to bring diesels to America

Mazda's Skyactiv program has delivered much of what it promised for the brand's latest crop of products, namely great fuel economy and excellent driving dynamics. However, the Skyactiv diesel engine has yet to reach our shores. It's been promised ever since the new Mazda6 showed up here for the 2014 model year. According to a new report from Automotive News, Mazda's CEO Masamichi Kogai said that the Mazda Skyactiv D diesel powertrain is still set to make an American appearance. He told Automotive News that there is an internal timeline to get it to the States, and while he didn't reveal the timeline, he said he wants it to come here before he steps down as CEO. The powertrain is offered elsewhere, so it fits in the company's current vehicles, but the US has specific regulatory hurdles, and the engine's extra cost has to make sense from a sales and volume perspective. We doubt VW's diesel scandal helped the engine's sales pitch, either. Automotive News also reports that the next generation of Skyactiv designs and engines are also on their way and will advance and improve on the current generation's strengths. Engineers revealed to Automotive News that they expect a 30 percent improvement in efficiency and are developing an engine with the sky-high compression ratio of 18:1. This impressive ratio could be a further indication of Mazda's pursuit of homogenous charge compression ignition (HCCI) engines. Mazda has had plenty of success with its strategy of making very efficient internal-combustion engines, but there are some concerns that the company can only improve so much. The main worry comes from the company's lack of investment in hybrid and electric powertrains. Even Mazda's North American CEO Masahiro Moro expressed concern about meeting a 54.5 mpg mandate for 2025. That mandate will no longer take effect, but increasing fuel economy requirements will always be an issue. Related Video:

2017 Mazda Model Year Preview and Updates

Driving Matters, Mazda's marketing pitch, certainly resonates with enthusiasts, although may not be relevant with the increasing number of drivers engaged in texting while steering. Regardless of that disconnect, for drivers Mazda brings to market the long-awaited Miata coupe in Retractable Fastback (RF) form, pictured above. And for those wanting/needing a new crossover, Mazda redesigns its well-received CX-5. MAZDA3: Mazda's compact sedan and hatch receive a revised front end and tweaked rear. Inside, an upgraded interior with more storage space, improved sound proofing and materials round out the enhancements. On the road, all trim levels receive Mazda's G-Vectoring Control for enhanced handling and stability. MAZDA6: G-Vectoring Control is standard across all trims. Inside, improved sound insulation, new tech (including traffic sign recognition), and available Nappa leather takes an already upscale environment a few steps further into near-luxury. MAZDA MX-5 MIATA: The RF (Retractable Fastback) is the biggest news, as it serves as the answer to the long-awaited Miata coupe. Club models receive Blind Spot Monitoring and Cross-Traffic Alert – presumably helpful when the top is up. And the RF Launch Edition (1,000 examples) delivers a Nappa leather interior and hand-painted black top. The package is further embellished by Mazda's choice of Machine Gray metallic exterior color. MAZDA CX-3: Mazda's subcompact crossover receives minor updates. The Touring trim gets 18-inch alloy wheels, while the upmarket Grand Touring's available i-ACTIVSENSE is reduced in price. MAZDA CX-5: Mazda's compact crossover is all-new and on Mazda showrooms this spring as a 2017 model. Of particular interest to diesel fans is the introduction later in the year of Mazda's SKYACTIV-D 2.2 clean diesel, which arrives just in time for your Volkswagen buyback. MAZDA CX-9: Mazda's largest crossover is unchanged for 2017.