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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.

4th-gen Toyota Prius production delayed by 6 months

If you were holding off buying a new car in anticipation of the fourth-generation Toyota Prius arriving in 2015, your wait might be a little longer. Company insiders are claiming that production of the bestselling hybrid is being pushed back from spring to possibly as late as December 2015. Toyota is reportedly still making alterations to make sure everything is just right before it unleashes the all-important, efficient hatch on a waiting public.
According to unnamed sources speaking to Automotive News Europe, the main reasons for the delay aren't completely known. It's believed the engineers are still working on making the hybrid powertrain more efficient and improving the new Toyota Global Architecture modular platform. The insiders claim that the final production prototype of the Prius is still under development, and it might be November before it's finalized. From there, it usually takes around 12 months to tool up and for the first car to roll off the assembly line. It would be another year after that before the plug-in variant starts assembly. The national manager of Toyota Product Communications, Michael Kroll, told AutoblogGreen, "As you might expect, we can't comment on future product plans."
Despite the delay, some potential details have already emerged about the new hybrid. A company spokesperson recently told Autoblog via email that Toyota is engineering the next-gen Prius to have smaller, more power-dense electric motors and greater thermal efficiency. The new modular platform is also rumored reduce weight, and the changes could lead to a targeted 10 percent improvement in fuel economy.

2018 Technology of the Year Award | We chat with Lexus about the LC 500h's hybrid system

Every year, Autoblog editors test dozens and dozens of the newest vehicles available, sometimes even before they're available. From those vehicles, we select the ones we think provide the most innovative technology in the industry. Then we pare the list down to the very best, test them again, and vote on our winner for Technology of the Year. This year, Lexus's multi-stage hybrid system — as tested in the LC 500h — came out ahead of the rest of the finalists. We chose the 2018 Detroit Auto Show to hand over the award to Lexus Group Vice President and General Manager Jeff Bracken. He was kind enough to sit down with Autoblog Senior Editor Alex Kierstein and Green Editor John Snyder at the Lexus stand to talk about the hybrid system, what it does, and what it means for the future of Lexus and Toyota. Check out the video above, and follow along for all our coverage from the 2018 North American International Auto Show in Detroit, where we are taking a look at all of the new cars and technology that we'll see in the near future. Perhaps the next winner of Autoblog's Technology of the Year award is sitting somewhere on the Detroit show floor. Related Video: Green Detroit Auto Show Lexus Toyota Fuel Efficiency Green Automakers Technology Technology of the Year Coupe Hybrid Luxury Performance Videos Original Video 2018 detroit auto show