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Honda reveals next-gen Fit Hybrid

Psst! Remember late last month when we showed you those Japanese magazine scans purporting to show the next Honda Fit? The ones with the markedly more aggressive snout and Cuisinart-blade alloys? Yup, they were the real deal, but they weren't the standard model, they were images of the new Hybrid. We know this because Honda has just released a handful of images and some details on its forthcoming gas-electric hatchback, and the images line up perfectly.
The big story for the third-generation Fit Hybrid will be the fuel economy, naturally. Honda says it has achieved economy ratings of 36.4 kilometers per liter - 86 miles per gallon - on its home-market cycle, highest among all hybrid models in Japan and a 35-percent improvement over the current Fit Hybrid, a model not sold in the US.
Honda says it has achieved economy ratings of 86 mpg on its home-market cycle.

Honda patents engine with different cylinder displacements

A basic rule of engine design states that the displacement of a cylinder is equal to the engine's total displacement divided by its cylinder count. Honda, according to a recently surfaced Japanese patent, is looking to break that rule with an engine containing cylinders of different sizes. We've done our best to translate it from patent-ese. The idea is that different-sized combustion chambers give more flexibility when any combination of cylinders are deactivated, or rested. Because the different numbers can be combined in various ways, it provides more and smaller increments than would an engine with equal-displacement cylinders. Take a 2.0-liter four-cylinder, for example. Following the golden displacement rule, each of the four cylinders has a volume of 500 cc, giving displacement increments of 500 cc when any cylinder is deactivated. But suppose instead that the four cylinders displace 300, 425, 600, and 675 cc, respectively. This would give the engine 15 available displacements instead of just four, and the spacing between each option would be far less than 500cc. As a result, those different virtual displacements would provide more adjustment between power and efficiency than a cylinder-deactivation system can on a conventional engine. Honda's patent describes cylinders with equal bore size, with the displacement from cylinder to cylinder varying based on the crank throw radius – the longer the throw, the longer the stroke and the larger the displacement of that particular combustion chamber. The patent describes how the cylinder sizes would need to be arranged to spread the load on the crankshaft and presumably limit vibration that would be introduced by the different pulse magnitudes. If we're interpreting things correctly, the largest cylinder (the one with the longest crank throw radius) sits in the middle of the bank with the smaller ones alternating on either side as they decrease in displacement. This concept is described for multi-cylinder inline and V-type engines of various sizes. The patent was filed in March of 2014 and published in January of this year. Whether or not this arrangement will reach production is of course unknown, but the advantages in terms of both efficiency and power seem promising. Related Video: News Source: Japan Patent Office via Auto Guide Green Honda Fuel Efficiency Technology patent

Acura reveals performance EV concept called Performance EV Concept

After teasing a new EV concept for Monterey, Acura made good on its promise Thursday with the unveiling of its rather plainly named Performance EV Concept. Good news: Acura's first in-house EV will be a performance car. Bad news: It's not the one we all hoped it would be. Instead, we're getting another model in the grand tradition of the ZDX — pronounced front end and all. It seems that look is here to stay, so get used to it, because Acura says it plans to build a production model based on this concept starting in late 2025.  That's noteworthy not just because this is Acura's first in-house EV, but because it'll be the first production car to ride on any variant of Honda's new BEV architecture. The mainstream brand is planning to put something based on its 0 Series "Saloon" concept into production in 2026. That's quite the coup (no "e") for Acura, which spent most of the past two years talking about the Ultium-based ZDX project, which by all accounts will be the first and last Acura-badged product of Honda's tie-up with General Motors and its Ultium EV platform.  As you can probably surmise, Acura remains tight-lipped about specifics. Honda (and by extension, Acura) "concept" vehicles have a funny habit of being put into production almost exactly as they sit, so what you see here is likely pretty close to the mystery CUV's final physical form, but battery and motor specs remain nebulous for the time being. We expect a multi-motor setup engineered to mimic the behavior of the SH-AWD system Acura offers in its ICE vehicles. The concept's massive 23-inch wheels encircle a set of four-piston calipers and crossed-drilled rotors — the two most significant hints that we're looking at something meant to move quickly.  If you're in Northern California for Car Week, you can check out Acura's concept at The Quail. The company's presentation is scheduled for 10:36 a.m. local time (What is this, a train schedule?) on Friday.