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Mazda working on lithium-ion batteries to replace lead-acid starter batteries

In the quest for ever better fuel economy, car companies are looking for every single advantage possible, no matter how small. This is evident in everything from active grille shutters to the 48-volt mild-hybrid electric assist systems like that in the new Ram 1500. For Mazda, the latest target for potential efficiency gains is the lowly 12-volt starter battery. The company announced that it is partnering with two other companies, ELIIY Power and Ube Industries, to develop a lithium-ion starter battery that would be used on mainstream models in place of conventional lead-acid units. Mazda plans to have them ready for use by 2021. The advantage here would be that 12-volt lithium-ion batteries would be much smaller and lighter than the lead-acid ones they replace. And lighter cars don't need as much fuel to move around. Plus, as an added benefit, making cars lighter also often makes them faster and better handling. This is why companies such as Lotus and Porsche have offered optional lithium-ion 12-volt batteries for some lightweight sports cars. A potential downside to the use of these batteries is increased cost. Lead-acid batteries from your local parts store will run you between $100 to $150. AGM batteries could be between $200 and $300. As for lithium-ion batteries, Lotus introduced the option on the Evora 400 in 2016, and the option cost $1,690. Odds are that a company such as Mazda won't be absorbing all those costs, meaning that the cost of these future Mazdas could increase with a change from lead-acid to lithium ion. Related Video:

Mazda Koeru concept forecasts next CX-9 in sleek form

Mazda rolled in to the Frankfurt Motor Show this year with the Koeru concept you see here. The showpiece is the latest embodiment of the Japanese brand's Kodo design language, applied with dramatic effect to a large crossover shape. Could this preview the next CX-9? The Koeru takes its name from the Japanese verb for "going beyond," and the reason is plain to see: though created by a mass-market brand, the concept could easily belong to an upscale marque like Infiniti (which offers a range of crossovers), Jaguar (which just revealed its first), or Maserati (which is preparing to get in on the action as well). It strikes us as aggressive as it is elegant, with taut lines and sporty details from the sharp lights to the muscular wheel arches. Few technical details as to what lies underneath it all were made available. And these show cars often lack working underpinnings to speak of anyway. But Mazda says that, beyond the styling, it optimized the aerodynamics over the upper body as well as underneath it to reduce turbulence and "enhance vehicle stability when driving at speed." It's also said to encompass the company's latest Skyactiv, i-Activesense, and Mazda Connect technologies. Which is all well and fine, but we're looking forward to seeing what innovations the company might incorporate if and when the Koeru (hopefully) transitions from concept to reality. In the meantime you can scope it out in the live and stock image galleries above and below. MAZDA KOERU The all-new crossover concept proposed by Mazda Mazda Motor Corporation is unveiling the all-new crossover concept Mazda KOERU for the world premiere at the Frankfurt Motor Show this year. The Mazda KOERU demonstrates Mazda's unique and daring interpretation of a crossover vehicle, proposed for the fast-growing crossover market. Featuring the full suite of Mazda's new-generation SKYACTIV technologies and designed under the KODO—Soul of Motion design language, the concept offers sporty yet delightfully refined styling and driving performance. The name "KOERU", which literally means "exceed" or "go beyond" in Japanese, comes from Mazda's aspiration to deliver value that goes well beyond the existing category norms and standards. As the latest incarnation of Mazda's new-generation products, the Mazda KOERU crossover concept offers styling that exudes power, vitality and a new level of polished refinement.

50 engineers kept the rotary alive at Mazda for 8 years

The Mazda RX-Vision concept is one of the standouts at this year's Tokyo Motor Show thanks to a drop-dead gorgeous design and a revival of the Wankel engine. The fact that the rotary is still in development at Mazda is thanks to a dedicated group of 50 engineers. According to Automotive News, their dream for the last eight years has been to bring this storied engine design back to the street. It won't be easy. Because of its design, the rotary suffers from poor fuel economy and high emissions. Making the challenge even harder, Mazda reportedly only gives them a small budget, but they continue to chip away at the problem. "These 50 engineers want to develop the rotary engine, therefore they joined Mazda," company research and development boss Kiyoshi Fujiwara told AN. "If I stop the rotary engine, probably they want to leave." For the Skyactiv-R under the RX-Vision's svelte hood, the team reportedly started from the 16X rotary project. Dating back to 2007, that 1.6-liter engine was supposed to improve torque and fuel economy thanks in part to direct injection. After additional development, insiders even suggested that the engineers might have finally solved the powerplant's issues. However, Mazda never put the mill into production, and the RX-8 remains the company's last Wankel-powered model to be offered in showrooms. "We have a dream that one day, this design with a rotary engine will achieve a level that customers will accept," CEO Masamichi Kogai said to AN. Mazda is quite clear that the RX-Vision might never go on sale without a suitable rotary. Although if it does see production, the coupe would likely use a stiffened version of the Miata's chassis, AN reports. Before anyone can place an order, these 50 determined engineers still have a lot of work ahead of them. Related Video: