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Automakers drop support for Trump effort against California emissions

WASHINGTON — Toyota, Fiat Chrysler (now known as Stellantis following its merger with Peugeot) and other major automakers said on Tuesday they were joining General Motors in abandoning support for former President Donald Trump's effort to bar California from setting its own zero emission vehicle rules. The automakers, which also included Hyundai, Kia, Mitsubishi, Mazda and Subaru, said in a joint statement they were withdrawing from an ongoing legal challenge to California's emission-setting powers, "in a gesture of good faith and to find a constructive path forward" with President Joe Biden. The automakers, along with the National Automobile Dealers Association, said they were aligned "with the Biden administrationÂ’s goals to achieve year-over-year improvements in fuel economy standards." Nissan in December withdrew from the challenge after GM's decision in November shocked the industry and won praise from Biden. On Monday, the Justice Department asked the U.S. Appeals Court for the District of Columbia to put the California emissions litigation on hold to "ensure due respect for the prerogative of the executive branch to reconsider the policy decisions of a prior administration." Biden has directed agencies to quickly reconsider TrumpÂ’s 2019 decision to revoke CaliforniaÂ’s authority to set its own auto tailpipe emissions standards and require rising numbers of zero-emission vehicles, as well as Trump's national fuel economy rollback. Asked to respond to the automakers' action, White House climate adviser Gina McCarthy said in a statement that "after four years of putting us in reverse, it is time to restart and build a sustainable future, grow domestic manufacturing, and deliver clean cars for America." California Governor Gavin Newsom praised the automakers on Twitter for "dropping your climate-denying, air-polluting, Trump-era lawsuit against CA" and urged them to join the voluntary framework. TALKS WITH BIDEN Separately, an industry trade group on Tuesday proposed to start talks with Biden on revised fuel economy standards that would be higher than Trump-era standards but lower than ones set during the prior Democratic administration. The Trump administration in March finalized a rollback of U.S. Corporate Average Fuel Economy standards to require 1.5% annual increases in efficiency through 2026, well below the 5% yearly boosts under the Obama administration rules it discarded.

Mazda Skyactiv-X Review | The revolution begins with a squeeze-bang

The matte black Skyactiv-X prototype looks like a rough Mazda3, perhaps reconstructed after a bad wreck by an over-enthusiastic owner of a spot welder and lots of gaffers' tape. Ribbed ducts poke out of the dash sending two breaths of conditioned air to no one in particular. Even its revolutionary engine, the thing we're here to experience, is entombed in a massive, nondescript cover to mask its unseemly noises. It's a wild, strange way to meet a very unconventional vehicle that promises diesel-like fuel economy, a wide torque band, and an exotic method for burning less gas than ever before. It takes a few hours for Mazda's engineers to explain the fundamental principles of operation. For more detail, read our Skyactiv-X Spark Controlled Compression Ignition explainer, but here's a very brief overview. Skyactiv-X marries some traditional gasoline engine characteristics with a novel form of compression ignition called SPCCI. The key for Skyactiv-X is to use very high compression in the cylinder and an extremely lean fuel-air mixture. Squeezed right to the cusp of getting hot enough to blow up all on its own (which is very hard to predict), a squirt of extra gas and a spark interject to cross that compression-ignition threshold in a controlled and predictable manner. See the animation below: That takes a few essential components to get just right. One is a massive amount of computer processing power and some pressure sensors in the individual cylinders, because the ambient conditions change how and when these things happen. Skyactiv-X uses a clutched supercharger to pump in additional air when needed to nail the mixture precisely, and high-pressure injectors to get the low ratios of fuel to disperse properly in the chamber. And since it operates like a conventional gasoline engine sometimes, it uses valve timing to lower the very high compression ratio so it doesn't reach combustion ignition in that mode. In practice, the Skyactiv-X runs in compression ignition mode most of the time. In practical terms, that means it drives like a torquey gasoline Skyactiv engine. The torque curve is broad and flat — diesel-like in that respect. That also means it can get away with using a six-speed transmission and a lower final drive for better response. There's enough grunt and economy together that Mazda can let the engine spin faster — at 60 mph, it's running at roughly 1,000 more RPM than a similar gas engine, with greater efficiency.

Mazda sketches Koeru concept ahead of Frankfurt show

Mazda is giving us an early peek at the Koeru concept set to debut at the Frankfurt motor show. With a name derived from the Japanese word for "exceed" or "go beyond," the model is the latest evolution in the company's long-lived Kodo design language. Sketches tend to distort a vehicle's actual proportions, and the perspective on this one appears to be playing some visual tricks. Some things can't be hidden so easily, though. The Koeru appears to wear a more sharply angled version of Mazda's shield-shaped grille, and the headlights evolve the look of the CX-3 with an even narrower squint. The steeply raked rear hatch provides a coupe-like roofline, but we wonder if the angle is this pronounced in real life. Reports from last year suggest that a new CX-9 is on the way in 2016, and we could be getting a preview with the Koeru. Mazda is also purportedly developing a CX-7 successor. We should get a better idea if this show car represents either of those future CUVs when we can see it in the metal in Germany. MAZDA TO UNVEIL NEW CROSSOVER CONCEPT IN FRANKFURT Mazda Koeru features a distinctly powerful rendition of the KODO design theme Japanese carmaker aims to further raise benchmark in competitive SUV segment Hiroshima / Leverkusen, 7 August 2015. In a world premiere at the 66th 2015 Frankfurt International Motor Show (IAA), Mazda will reveal the Mazda Koeru, a new crossover SUV concept that makes a bold statement in an increasingly popular and competitive segment. Koeru, Japanese for "exceed" or "go beyond", is a fitting name for Mazda's latest venture into the growing crossover SUV market, where the company is again looking to surpass existing standards and raise the bar for performance, efficiency and overall value. With its formidable KODO – Soul of Motion design, the Koeru expresses the power and vitality of a predator along with a unique level of refined dignity. The full line-up of Mazda's latest SKYACTIV Technology, meanwhile, ensures outstanding dynamic performance, fuel economy and safety with no compromise to Mazda's patented driving fun. The carmaker will also display its new-generation model line-up in Frankfurt. Highlights include an all-new Mazda MX-5 complete with accessories as well as several SKYACTIV powertrains. Mazda's press conference takes place at 13:45 (hall 9.0, B16) on 15 September, the first of two press days. The IAA is open to the public from 17-27 September.