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Latest Honda promo film is a Never Ending Race against emissions

A new Honda promotional video shows clips of a hazy, smog-choked Los Angeles in the 1960s and 1970s, and then gives the company credit for its lead role in cutting vehicle-emissions by a factor of one thousand since 1970. Self-serving? Sure. Then again, this LA-native reporter born in 1970 can't help but be somewhat appreciative. The nearly five-minute video takes a tour through Honda history, showing the Japanese automaker using its experience designing race cars to help develop smaller engines such as its four-cylinder CVCC. An early proponent of California's Clean Air Act, Honda recounts its low-emissions history with the first production low-emission vehicle (the 1996 Civic) and the first production ultra-low-emission vehicle (the 1998 Accord), and says it's approaching "near zero emissions" for its new cars. For anyone keeping track, the US Environmental Protection Agency (EPA) said late last year that Honda's 2013 model-year vehicles averaged an even 27 miles per gallon, and that's with a fairly limited number of hybrids and plug-ins sold. That number was up from its 26.6 mpg in 2012 and second only to Mazda's 27.5 mpg among the major automakers. The overall 2013 average was 24.0 mpg. Read Honda's press release here and check out the Honda video below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Honda's "Never Ending Race" Documents its Four-Decade Battle Against Air Pollution Third film in award-winning Environmental Short Film Series explores Honda's voluntary efforts to reduce vehicle emissions over forty-year period Honda's successful demonstration of low-emissions vehicle technology led state of California to adopt new, more stringent emissions regulations New-vehicle emissions are 1/1000th of 1970 levels Next environmental "race" is against global climate change TORRANCE, Calif., Feb. 13, 2014 /PRNewswire/ -- As unprecedented levels of pollution choked the nation's largest cities in the early 1970's, a group of automobile engineers secretly toiled to develop an engine technology that would significantly reduce pollution from automobiles.

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).

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