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Mazda shows lightweight MX-5 Spyder and Speedster at SEMA

Ever since Mazda dropped the first teaser on us last week, we've been looking forward to seeing what it had in store for us at SEMA this year. Now we've seen it what Mazda has dubbed the MX-5 Spyder and MX-5 Speedster, and they were worth the wait. The Spyder goes vintage with a silver paintjob and a brown top stretched overhead. It also has an aero kit, grille, and tonneau cover done up in carbon fiber, rides on 17-inch wheels, and features a natural leather interior. The blue Speedster, meanwhile, goes for the stripped-down, wind-in-your-hair experience. It has no roof or windshield, just a tiny deflector at the front of the dashboard. It's dropped an inch closer to the ground on an adjustable coilover suspension with 16-inch alloys, and features a center-exit exhaust. Carbon fiber helps trim 250 pounds from the curb weight, along with a stripped out interior trimmed in Alcantara. Both look pretty slick, and disappoint only in so far as they (like so many of their predecessor concepts) won't be heading for production. If they were, we'd be hard pressed to choose between the two. Which would you go for? Mazda Reveals Extreme Lightweight Design Concepts at 2015 SEMA MX-5 Concepts Display Two Different Takes on Staying True to Pure, Lightweight Sports Car Philosophy LAS VEGAS (November 3, 2015) – Mazda revealed two design concepts today at the SEMA Show in Las Vegas, based on its all-new 2016 MX-5 Miata—MX-5 Spyder and MX-5 Speedster—demonstrating two vastly different takes on lightweight, open-air performance. Lightweight. Fun-to-drive. Roadster. Those three tenets have served as the foundation for the Mazda MX-5 Miata since its 1989 introduction and continue to serve the new fourth-generation model. Focused, lightweight engineering is a guiding principle of every Mazda vehicle made with SKYACTIV Technology, allowing for greater efficiency, improved performance and agile handling dynamics. But what if that sense of lightweight performance were taken to the extreme? What if Mazda's North American designers harkened back to vintage roadsters to create thoroughly modern, bespoke concepts for what a lightweight performance car should be The results would be the MX-5 Spyder and MX-5 Speedster concepts. "Both MX-5 Spyder and MX-5 Speedster are uncompromising designs that highlight the core strengths of MX-5," said Ken Saward, design manager, Mazda North American Operations.

Japan plans real-world diesel emissions test after companies fail

Japan's transport ministry plans to start real-world diesel emissions tests after an experiment found four models from Toyota, Nissan, and Mitsubishi that produced more nitrogen oxide (NOx) emissions than the nation's rules allow, according to The Japan Times. Regulators there usually only perform emissions checks in the lab. The VW diesel scandal has everyone double-checking their figures. Diesel versions of the Toyota Hiace van, Land Cruiser Prado, and Nissan X-Trail produced up to 10 times more NOx than allowed. The Mitsubishi Delica D:5 was up to five times over the limit, The Wall Street Journal reports. There was no evidence of defeat devices in the vehicles. Mazda performed well in the experiment, though. The CX-5 passed with nearly the same results on the road and in the lab. The Demio, better known as the Mazda2, did nearly as well with only slighter higher figures in the real world than in the controlled setting. The experimenters theorized the reason for the excessive emissions was that cold weather caused the engines' software to shut off the exhaust gas recirculation to prevent damage, according to the WSJ. However, this behavior also increased NOx production. Toyota, Nissan, and Mitsubishi don't have to worry about punishment from the transport ministry because this check was just an experiment. Their models already passed the mandated lab tests, which was the only requirement, according to The Japan Times. As governments begin greater real-world emissions tests, the results suggests diesels aren't very clean. A recent check in France found models from Ford, Renault, and Mercedes-Benz that didn't perform up to the standards. Regulators in India conducted similar evaluations and ordered VW to recall over 300,000 vehicles. Related Video:

2019 Mazda CX-5 Review and Buying Guide | The driver's choice

The 2019 Mazda CX-5 stands out in an ever-expanding field of similarly sized compact crossovers. There are several good options for shoppers looking to replace the traditional family sedan with something that sits up a little higher and offers some added utility via a reasonably sized open cargo area instead of a closed-off trunk. But if you really enjoy spending time behind the wheel, there isn’t a small crossover that can match the Mazda CX-5Â’s blend of excellent driving dynamics, practicality and affordability. For that reason, weÂ’d suggest that everyone shopping in this segment should take the CX-5 for a test drive. WhatÂ’s new for 2019? The CX-5 gets its first significant update since being completely redesigned for 2017. There are two new engine choices. A 2.5-liter turbocharged four-cylinder is the more powerful option the CX-5 has always needed, while the new 2.2-liter diesel engine is the answer for those who want better fuel economy. Every CX-5 benefits from a retuned suspension setup and MazdaÂ’s G-vectoring Control Plus system, which are intended to improve the 2019 CX-5Â’s handling. A revised infotainment system loses its touchscreen capability but now offers Apple CarPlay and Android Auto capability (it is not, however, the all-new and greatly improved system found in the Mazda3). Also new for 2019 is a top-spec Signature trim level that adds a layer of wood and chrome trim to the interior to go along with attractive brown leather upholstery and a 360-degree camera monitor. A set of 19-inch Dark Silver aluminum wheels and unique badging round out the noteworthy Signature upgrades. WhatÂ’s the CX-5's interior and technology like? The CX-5 boasts a handsome, upscale design with materials to match. The cabin conveys the more premium vibe that Mazda is increasingly shooting for – it also makes a more emotional connection than the typical cardboard box on wheels. Its top two trim levels, Grand Touring Reserve and Signature, boast seats that are heated all around and ventilated up front, covered in high-quality leather with contrast French stitching. There's stitching on the dash too, though it goes through rubbery stuff. The padded and stitched pleather on the doors and center console are a nicer touch, as is the subtle dark wood and alloy trim – especially the air vents that seem to jut out from within the dash.