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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 MX-5 Miata goes Head 2 Head with Subaru BRZ

It's a battle that's been in the making for some time now: the Subaru BRZ versus the Mazda MX-5 Miata. And now that the new Miata has arrived – and in Club spec to boot – that's exactly what Motor Trend has lined up for its latest episode of Head 2 Head. Now before you go screaming that one's a coupe and the other a convertible, take a few commonalities into account. Roofs aside, both feature a 2.0-liter four mounted up front, driving the rear wheels through a six-speed manual transmission. Both are made by Japanese automakers and cost around $25-30k, give or take. Both produce around the same amount of torque, and while the Subaru may be more powerful, the Mazda's considerably lighter. To create a more even contest, then, you'd have to line a BRZ up against a Scion FR-S, or the MX-5 against the upcoming Fiat version of the same. Of course, being that close on paper doesn't mean that it's a draw. One has to come out on top. And after taking both along country roads and the Streets of Willow racing circuit, our friends at MT have picked one over the other. You'll want to watch the 22-minute video above (or at least skip ahead to the end) to see which came out on top, but if you're as enthused by a purist driver's car as we are, you'll enjoy every minute of it. News Source: Motor Trend via YouTube Mazda Subaru Convertible Coupe Economy Cars Performance Videos motor trend mazda mx-5 head 2 head

2019 Mazda6 Skyactiv-D diesel caught in spy photos

We get it – we're a little sick of getting a few years of assurances that Mazda's much-anticipated diesel engine is just around the corner. First, it was going to go in the 2014 Mazda6, then it was delayed. More recently, Mazda told us it'd first land in the CX-5 – and in fact, there's a part of the Mazda USA website devoted to the diesel crossover, which makes it seem more legitimate than previous pronouncements. But the fact of the matter is, there's some unforeseen hiccup in the government approval process for this engine, likely centered around emissions standards, and it seems to be dragging on. But this Mazda6 was spotted at an EPA facility in Michigan, which gives us some hope that perhaps the company is rounding the final base on the approval process. It looks very much like an American-spec Mazda6 to our eyes ... except for the strange, possibly temporary exhaust outlets, which might be required for EPA testing. The rear looks like a current-look car, rather than the revised 2018 styling that will get the 2.5-liter turbocharged gas engine. Since the Mazda6 was originally supposed to get the Skyactiv-D engine, we can only assume that if it's at an EPA facility, Mazda is hoping to bring it to market here – likely sometime after the CX-5 goes on sale. If Mazda can get approval, it'll be another point of differentiation between the Mazda6 and its competitors – there's no currently-approved diesel sedan that's a direct match. The smaller Cruze and larger, more expensive offerings from BMW and Jaguar are about it. The fuel economy guide (PDF) produced by the EPA back in late 2017 lists both the CX-5 and the Mazda6 as having diesel engines, but neither are rated, and as we know at this point, neither are on sale or have an official timeline for doing so. We can assume anything with an application in progress made it on the list, whether approval would be granted or not. It seems unlikely at this point that Mazda would abandon the Skyactiv-D in America. It's a solid part of their strategy, although a product roadmap released a few months ago shows that Mazda expects diesel sales globally to taper off after 2020, to be supplanted by plug-in gas hybrid, EV, and fuel cell vehicles. But between now and about 2030, pure diesel cars are expected to be a small but significant portion of Mazda's product mix. We hope this means we'll see the CX-5 emerge from the approval process and hit dealer lots soon, to be followed by the 6.