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Toyota announces new, more efficient powertrains for 60 percent of its vehicles by 2021

In the face of increasingly strict standards on fuel economy and CO2 emissions, Toyota announced today that it's introducing a new hybrid system, a new 2.5-liter direct-injection inline four-cylinder engine, and two new transmissions – an eight- and a 10-speed. The development of all of these components will be based around the Toyota New Global Architecture, or TNGA. Development of the systems has moved forward and the new powertrains will find their way into vehicles starting next year. TNGA, like Mazda's Skyactiv technology, is a complete design philosophy that focuses on more than just a clean or efficient engine. The first vehicle to deploy the TNGA platform was the current, fourth-generation Prius. With TNGA, Toyota focused on improving handling, ride, and braking performance. The new powertrains are meant to compliment this new platform by being both engaging to drive and fuel efficient. Since TNGA can be adapted for front-, rear-, or all-wheel-drive layouts, it's capable of underpinning a number of potential products. Toyota is arguably the leader in hybrid technology, and taking lessons learned in the development of the current Prius, the automaker has developed the new Toyota Hybrid System II, or THS-II, for rear-wheel-drive applications. Performance has improved versus the outgoing model, and Toyota says efficiency, especially at high speeds, has been improved. In addition, the system's use in plug-in vehicles has been improved. For the first time, the electric motor will be able to provide direct driving power, whereas before it simply acted as a generator. The new, naturally aspirated 2.5-liter four-cylinder, like the THS-II, has been designed around the TNGA platform. Most notably, the thermal efficiency of the engine has been improved. This means a higher output and improved exhaust and cooling. The new engine, which works in both traditional and hybrid applications, will proliferate through the Toyota and Lexus lineup. Toyota's two new automatic transmissions, like the new engines, are based on the TNGA system. That means a lighter and more compact design relative to similar transmissions. The 10-speed is intended for rear-wheel-drive Lexus products like the GS and LS. The tuning has been adjusted to improve response and smooth out shifts, though it's impossible to say how much it's been improved without getting behind the wheel.

UPDATE: There are 5 unsold Lexus LFAs left in the U.S.

UPDATE (April 9, 2019): This year has been a solid year for LFA sales with three more finding homes. Interestingly, all three were sold during the month of January. By our count, that leaves five of the supercars left unsold.UPDATE (January 3, 2019): The countdown of Lexus LFA sales continues. In the time since our last update, Lexus sold another of the supercars. That means we're down to 8 LFAs unsold in the U.S. Check out the whole story on unsold LFAs below. We'll also continue to monitor LFA sales to see if/when all are sold.UPDATE (April 5, 2018): Since we first ran this post, Lexus has actually sold 3 more LFAs, meaning that there should be 9 more remaining for sale in the U.S. Read on to learn more about how there are still a few new ones on the market. While we were digging through automaker sales figures for July, we found a few odd sales of discontinued cars, but the strangest by far was the inclusion of the Lexus LFA in Toyota's numbers. Apparently, a dealer sold one in July, and even more amazingly, six were sold last year. This is remarkable because production ended for the LFA way back in 2012, and there weren't many examples to begin with. So we reached out to Toyota for more info, and we have good news, sort of, if you missed out on buying a new one when the car was, well, really new. According to a Toyota representative, there are currently 12 9 8 5 LFAs around the country that are officially classified as dealer inventory. We also asked about overseas cars, but apparently those numbers weren't available. Still, 5 technically new LFAs is a shocking number. The representative also gave us a detailed explanation from Lexus International on how this might have happened. Basically, for the U.S. market, Lexus said the company intended to only take purchase orders on LFAs from customers to avoid price gouging and speculation. However, in 2010, orders started to drop off, and to make sure cars weren't sitting at the factory, the company allowed existing LFA holders to order a second car, and also allowed dealers and executives to order cars for themselves or for selling at dealerships, and some of the dealer-ordered cars still come up from time-to-time as new sales. So the cool news is that you might be able to still buy a new LFA if you really want to. But that's a big might.

This is what a Lexus RC-based 'four-door coupe' might look like

It feels like there is a secret law in Germany mandating that every domestic automaker there must offer at least one model with a four-door coupe bodystyle like the BMW Gran Coupes, Mercedes-Benz CLS and Audi A7. Several of the German brands even have the swoopy sedans in multiple sizes. So far, Lexus has stayed out of that fray, but maybe not for long, if a recently spotted test car makes it to market.
The brand is known to be testing a highly styled four-door coupe, roughly the size of the GS, under heavy camouflage. Little is known about the new model at the moment, but its existence makes sense. If it really wants to take the on Germans, Lexus is going to have to fight them toe-to-toe with competing models - especially with ones understood to have high margins.
Pictured above is a rendering from artist Theophilus Chin imagining a slightly smaller take on the genre based on the RC coupe, which he calls the RC GT. His design leaves the original shape almost untouched, but shortens the front doors to allow room for a rear doors under the arching roof. His GT would be aimed more against the BMW 4 Series Gran Coupe and rumored Mercedes-Benz C-Class four-door coupe, rather than the larger models Lexus actually appears to be targeting with its vehicle under development. His concept certainly nails the look, though, and while it might not have a basis in reality, we thought that it's well-resolved enough that you'd want to take a look, if only as a "what could've been" flight of fancy.