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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:

Mazda6 diesel may finally launch this year according to CARB certification

For close to a decade, Mazda said it would bring its latest generation of diesel engine, Skyactiv-D, to the United States. And for most of that time, it said that engine would appear in the Mazda6. Last year Mazda finally brought us the engine in the CX-5, and it looks like this year, the 6 will finally get it, too. This seems to be the case based on a CARB certification posted on January 31 specifically for the midsize family sedan. The CX-5, in both front-wheel- and all-wheel-drive variants, is listed in a different certification, so it's not a case of a blanket certification for every vehicle the engine could appear in this year. As expected, the document lists the 6 as having a 2.2-liter turbocharged engine with a six-speed automatic, though it doesn't say whether the model is front-wheel-drive or all-wheel. Either is certainly possible, since all-wheel drive, in particular with the diesel, is available in overseas Mazda6s. Like in the CX-5, the engine will probably make 168 horsepower and 290 pound-feet of torque. While this certification tells us the diesel 6 will probably launch this year as a 2021 model, we're left to estimate the reveal date. Midway through the year, or possibly at the start of the next auto show cycle would seem likely, which would coincide with a model year update. Mazda has stated it will only be offered on the top-tier Signature trim, which starts at $36,345 with the standard turbocharged gasoline 4-cylinder. Looking at the price difference between a turbocharged Mazda CX-5 Signature with all-wheel-drive and the diesel CX-5, the price difference is about $4,000, so it would seem reasonable to expect the Mazda6 diesel to ring in at about $40,000. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

2019 Subaru Forester vs compact SUV rivals: How they compare on paper

We've seen what the 2019 Subaru Forester looks like (pretty much the same). We've found out how much it's going to cost (just a bit more). And also how much bigger and more powerful it'll be (appreciably on both counts). Now it's time to see how all of that compares to its top compact SUV rivals. While you can see the same engine and dimension specs for every compact SUV here, for this comparison featuring the latest 2019 Forester info, we've decided to define "top rivals" as those that the 2018 model was most frequently cross-shopped with. That means the 2018 Honda CR-V, 2018 Toyota RAV4, 2018 Mazda CX-5 and 2018 Nissan Rogue. At the time of this writing, none of their respective manufacturers had released data for 2019 models. We also included info for the 2018 Forester as well. So, without further blather, cue the Spreadsheet-o-Matic 3000. How big are they? The 2019 Forester may look nearly identical to the compact crossover it replaces, but it's nevertheless bigger and heavier. In particular, its wheelbase has increased from being the smallest in the segment to one that's pretty much average. It's a good bet that this gain is the reason rear seat legroom has also increased. Width is also up, but the Forester actually remains the narrowest compact SUV. As for other noteworthy dimensions, the new Forester now has the most maximum cargo capacity of any compact SUV with 76.1 cubic feet. Now, it should be noted, that's without the panoramic sunroof that comes on all but the base model. With it, max capacity shrinks to 70.9 cu-ft. Two points about that. First, Subaru is the only company that calls out this difference, and all the others almost certainly are not measuring with a sunroof. Second, this gives you an idea about how much of "maximum cargo capacity" includes space up high where you're probably not storing much cargo. As such, we included the Forester's biggest number and think it fairly indicates Subaru should carry the "biggest in segment" crown. How do their engines and fuel economy compare? Here's the most important takeaway here: The new Forester is tied for the best fuel economy in the segment, but that's with standard all-wheel drive. Everything else listed above is with front-wheel drive. The 2019 model also gets a welcome injection of power, resulting in the fourth-most base horsepower in the segment (or fifth, if you consider the CR-V technically holds spots 1 and 3).