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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.

Petrolicious lets a 1971 Mazda RX-2 howl

Rotary engines scream to the heavens in the best way possible. To hear a wonderful example of the Wankel's battle cry, turn up your speakers and watch Petrolicious highlight an immaculately clean 1971 Mazda RX-2 in Australia. Owner Jason Humble took three years to build his RX-2 from a bare shell, and he started competing with it in vintage racing in 2005. The little coupe's class pits it on track against Mustangs and Camaros, but Humble claims that he's regularly near the top of the pack thanks to the Mazda's communicative chassis. We don't get to see the RX-2 mixing things up on track in the Petrolicious video, but Humble does treat us to a drive through the Australian countryside. He's happy to let the coupe's rotary rev, and the little engine is capable of making a wonderful noise. It's great to see Petrolicious continue to give the spotlight to these sometimes overlooked classic Japanese sports cars.

2014 North American Car and Truck/Utility of the Year finalists announced [w/poll]

The 2014 North American International Auto Show is right around the corner, which means it's high time we found out which cars and trucks would be finalists for the prestigious North American Car and Truck/Utility of the Year awards.
The finalists - three in cars and three in three trucks/utilities - are dominated by American brands, with two-thirds of the finalists hailing from either General Motors or Chrysler (don't worry Ford, there's always next year), while outliers from Mazda and Acura can be found in each contest. Here now is the list of finalists for the big prizes:
2014 North American Car of the Year: