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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.

Buick, Lexus top J.D. Power survey, as vehicle service improves overall

Buick and Lexus returned to their customary place atop J.D. Power's scorecard of satisfaction with dealership service departments. In the Customer Service Index Study, out Thursday, Buick scored 860 on a 1,000-point scale for mass-market brands and has topped this ranking in three of the past four years. Lexus topped the list of luxury brands with a score of 874. Fiat and Land Rover were the bottom-dwellers in the two categories. Buick and Lexus also ranked highly in the research company's overall Vehicle Dependability Study rankings out recently. The customer experience at car dealerships has improved steadily, with the overall industry score rising in seven of the past eight years. And one statistic is particularly remarkable: 94 percent of customers say their car was fixed right the first time. The dominant area of difficulty in repairs seems to be infotainment systems. Only 80 percent of respondents said their stereo was fixed right the first time. And in last month's Vehicle Dependability Study, J.D. Power reported that infotainment systems were the most commonly reported vehicle issue, accounting for 22 percent of all problems reported, up 2 percent from the previous year. J.D. Power surveyed 70,000 customers for the Customer Service Index Study. For the Vehicle Dependability Study, it surveyed 35,186 first owners of 2014 model-year vehicles after three years of ownership. Below are charts for both the current study and the complementary overall brand dependability survey. Related video:

Lexus bringing new F model to Detroit

Lexus has taken aim squarely at the likes of Mercedes-AMG and BMW M GmbH with its F line of performance models like the old IS F and the new RC F – and now it's preparing to showcase another one at the upcoming Detroit Auto Show. There's little information to go on from the brief statement accompanying these two teaser images, but the Japanese automaker refers to its as "a track-ready" model. Could that mean a more extreme version of the RC F? Possibly, but the headlights are different – just like the units on the LF-C2 concept were different as well. It could just as easily be a concept for a new GS or LS sedan in F spec, even a reboot of the CT hybrid hatchback, or maybe a showcar of another nature altogether. Whatever it is, it looks enticing, what with the carbon fiber bits, low-profile rubber, lightweight alloys and oversized brakes. As for what form it'll take, we'll find out sooner or later, so watch this space. A Track-Ready Lexus Poised to Make Global Debut at 2015 NAIAS New Model Will Broaden the Lexus Brand's High Performance Showroom TORRANCE, Calif. – Dec. 17, 2014 – Lexus announced it will be adding a second vehicle to its growing stable of F brand high performance models. Earlier this year, the luxury manufacturer launched the RC F, a V8 powered performance coupe. The newest Lexus F brand vehicle will make its global premiere at the 2015 North American International Auto Show on Jan. 13.