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Toyota unveils two new small displacement engines

Toyota introduced a pair of brand-new engines in Japan today, that it says will eventually spawn 14 different variants by 2015. Where these two engines stand out in today's world, is that neither mill boasts direct injection, and both are naturally aspirated.
The larger of the two is a 1.3-liter, while the smaller engine, a 1.0-liter, was developed in collaboration with Daihatsu. What makes these two unique is that they both use the Atkinson cycle. Now, we aren't going to bore you by explaining just what this is - there's Google for that. Suffice it to say, Atkinson engines are highly efficient, but that efficiency comes by sacrificing power. That's why they're so popular in hybrids, which can offset the power losses.
This focus on fuel efficiency extends throughout the new engines, which also benefit from tweaks like a cooled exhaust gas recirculation system and a trick intake port, while the 1.3 employs Toyota's iE variant of variable valve timing. Both engines can be fitted with stop-start tech. According to Toyota, when fitted with stop-start the 1.3 should provide around a 15-percent bump while the 1.0-liter will increase economy around 30 percent, when they arrive on the road.

Mazda-Toyota partnership has us dreaming of a rotary hybrid

As you may have seen, Mazda and Toyota are going to be working a little more closely with each other. In their announcement, the two companies said they'd be building an American assembly plant together, and working on electric vehicle technology. But one of the companies' goals got our mental gears turning: It's listed as "Expand complementary products," and it's left very open-ended. The companies say they "will further explore the possibilities of other complementary products on a global level." These are in addition to Mazda providing the Mazda2 to Toyota as the Yaris iA, and Toyota providing Mazda a commercial van to sell in Japan. So what could these future complementary products be? We have a couple of ideas, one that's ludicrous but awesome (and, sadly, probably won't ever happen), and the other grounded in reality. Let's start with the fun one. What's the one thing Mazda fan has been wanting for years? A rotary sports car, of course! And while Mazda has repeatedly said that it has a small band of engineers plugging away at the spinning triangle problem, the odds of Mazda putting it into production have been slim. The inherent thirst of the rotary would make it tough to introduce when fuel economy regulations have been tightening. Plus, Mazda is a small company that needs to stretch every dollar, and having a one-off engine not based on anything else would be expensive. How could Mazda get around these obstacles? This is where the partnership with Toyota comes in, in our long-shot fantasy. Aside from having deep pockets, Toyota has a wealth of knowledge in the realm of hybrids. Thus, why not a rotary hybrid? Electrifying their oddball motor would fix two issues. One is obviously the fuel economy, since the gas engine wouldn't have to run all the time. The other is in providing torque. Rotaries infamously have little torque, especially down low, so adding an electric motor would allow this hypothetical rotary sports car to have a grunty low end, while still providing the Everest-high redline rotary fans like. The idea would be sweetened with the solid-state batteries that Toyota is developing, which could provide lots of electricity without weighing a ton. The rotary-electric mashup notion isn't totally alien to Mazda, either, since the company created an electric Mazda2 with a rotary engine for a range extender — albeit for different reasons. The company even filed a patent for the rotary range extender recently.

Toyota reveals custom Mark X, Harrier and Prius for Tokyo Auto Salon

Toyota offers a robust lineup of models in markets around the world – ours included – but there are certain models that remain reserved for Japan, and now it has revealed some tantalizingly modified versions for its home market. Arguably chief among them is a version of the Mark X that's been upgraded by GRMN. For those unfamiliar, the Mark X is a rear-drive sport sedan offered in the Japanese Domestic Market, while GRMN (shorthand for Gazoo Racing Masters of Nurburgring) is the street-tuning division of one of the company's racing departments. The confluence of these two Japanese lines brings some enticing upgrades to the sedan, including a new front bumper, carbon-fiber roof, trunk spoiler, 19-inch alloys, sport suspension, upgraded brakes and an interior decked out with sports sedans and steering wheel as well as carbon, piano black and Alcantara trim. Motivation comes from a 3.5-liter V6 driving 316 horsepower to the rear wheels through a six-speed manual transmission and Torsen limited slip differential. Joining the Mark X GRMN are a pair of models enhanced by G's, another one of Toyota's Japan-centric performance lines. There's an Elegance version of the Harrier – similar to the Lexus RX we get Stateside – with a sports suspension dropped by 1.4 inches, upgraded brakes, an aggressively restyled front end and an enhanced interior. Alongside it Toyota has revealed a version of the tall-roofed Prius Alpha (which we know as the Prius V) with a similarly upgraded suspension, refreshed front end styling and interior with sports seats and silver-stitched black interior. All three models are slated to debut at the 2015 Tokyo Auto Salon - Japan's equivalent of the SEMA show - next month at the Makuhari Messe in Chiba. Featured Gallery Toyota at 2015 Tokyo Auto Salon View 18 Photos News Source: Toyota Aftermarket Green Tokyo Auto Salon Toyota JDM toyota prius v