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New Mazda3 looks just like Mazda Kai concept in spy photos

Just a couple of weeks before the official reveal, one of our spy photographers caught the next-generation Mazda3 out testing in minimal camouflage. The car was a hatchback model, testing alongside a VW Golf and Audi A3, and was only wrapped in thin vinyl. As a result, we can clearly see that the new compact Mazda hatchback looks just like the stunning Kai concept from last year's Tokyo Motor Show. The car features effectively the same nose and profile of the concept. The main grille is larger than the current model, and it leans forward aggressively. The windshield is very low and sleek. The rear portion of the car is dominated by the very thick C-pillar that leans far forward, augmenting the car's athletic stance. The window sill at the rear kicks up sharply, and the rear window doesn't wrap around or bulge out, giving the car a very tight, taut shape. It's not just the outside of the 3 we get to see. We get a good look at the interior. It also looks very much like the Kai's interior, with the focus being the driver. The gauges are flanked by air vents that blend into the shape of the instrument binnacle. The rest of the dashboard is left as uncluttered as possible. The climate controls and vents all reside in the same long horizontal plane. The infotainment screen, which appears to be touch-sensitive based on one spy photo, is canted toward the driver. Mazda's rotary controller does return, as seen in the center console. Also in the center console is the manual shift knob, which we expect, or at least hope, will continue to be available in the U.S. We'll have answers to all our questions about the Mazda3 at the end of this month when it makes its debut at the L.A. Auto Show. We'll also see the sedan version of the car. The powertrain is the biggest mystery at the moment. Mazda showed the Kai with the Skyactiv-X engine, Mazda's spark-controlled compression-ignition gasoline engine. We've driven a development car with the engine, and Mazda seemed to intend the new Mazda3 to use it, but we're not sure if the engine will be ready for the car's launch. If not the Skyactiv-X engine, or perhaps in addition to, Mazda will probably use versions of its current engines. It could carry-over the naturally aspirated 2.0-liter and 2.5-liter four-cylinders currently used. The latter may use the cylinder deactivation now used on the Mazda6 and CX-5. We would love to see the company finally offer the turbocharged 2.5-liter engine from the Mazda6, CX-9, and now CX-5.

2016 Mazda MX-5 Miata gets 25 percent fuel economy boost

Just days after revealing full pricing and specs for each trim level of the 2016 MX-5 Miata, Mazda is spilling the beans on the roadster's fuel economy. As it turns out, the numbers show an impressive boost over the previous generation. All 2016 Miatas in the US are equipped with a 2.0-liter four-cylinder that makes 155 horsepower and 148 pound-feet of torque. With a six-speed manual, the EPA estimates fuel economy of 27 miles per gallon city, 34 mpg highway and 30 mpg combined. Buyers choosing the six-speed automatic, which is a $1,075 option (that you should absolutely not choose), are expected to get 27 mpg city, 36 mpg highway and 30 mpg combined. Compared to the previous-gen model with a six-speed manual, these latest numbers represent a 25-percent improvement in mileage. The boost in economy for the Miata likely comes from a variety of sources. Underneath the hood is one of Mazda's latest Skyactiv engines, and the loss of around 150 pounds from the last gen helps too. Production of the latest version of the famous roadster is already underway, and they should start arriving at dealers in the late summer. 2016 MAZDA MX-5 MIATA FUEL ECONOMY IMPROVES DRAMATIC 25 PERCENT VERSUS OUTGOING MODEL 24/04/15 - Mazda's Flagship Roadster Highlights Improvements Displayed by SKYACTIV Technology - IRVINE, Calif., April 24, 2015 -- Lighter, quicker and more nimble than its predecessor, the 2016 Mazda MX-5 Miata demonstrates the power innovation can have when re-engineering a roadster from the ground up. In addition to all of the aforementioned improvements the 2016 MX-5 has, fuel economy can now be added to the list, with MX-5 achieving an EPA-estimated 27 mpg city/34 mpg highway/30 mpg combined when equipped with the standard SKYACTIV-MT six-speed manual transmission (EPA-estimated 27 mpg city/36 mpg highway/30 mpg combined when equipped with the six-speed automatic). This performance represents a 25-percent increase in fuel economy versus the 2015 MX-5's EPA-estimated fuel economy when paired with the outgoing model's available six-speed manual transmission, highlighting the benefits of SKYACTIV Technology. "SKYACTIV Technology is more than a catchphrase for Mazda; it's a total effort to increase efficiency, improve performance, safety and technology and instill each Mazda vehicle with a directness and responsiveness that's unmatched in the segments in which our vehicles compete," said Jim O'Sullivan, president and CEO, Mazda North American Operations.

This is what a 1,200-hp twin-turbo 4-rotor looks like in a Miata

We've seen the diminutive Mazda MX-5 Miata swallow plenty of big engines, but New Zealand drifting ace "Mad Mike" Whiddett is roaring into where-no-man-has-gone-before territory. Wanting to replace his 515-horsepower "MADBUL" RX-7 and its twin-turbocharged, three-rotor 20B engine, his new ride is an NC-series Miata with four rotors and twin Garrett turbochargers courtesy of Pulse Performance Race Engineering. It is called "RADBUL," and expected power at standard boost is 1,200 hp, but the builders at Pulse Performance think it will get up to 1,500 hp at full boost. And yes, that exhaust exits through the hood. Four-rotor engines are actually popular - builds are detailed on forums like this one from 2007 and this one from 2008, this UK company or this Canadian company will sell you one complete - but they're usually being prepped for an RX-7. Mad Mike's choice of a Miata for this enterprise makes this about as extreme as you can get, short of throwing it into a Mazda R360. You can watch Mad Mike tell the story of the build in the video, and check out the first and second installments about the build on the Red Bull site.