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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.

Lexus GS production and sales halted in Europe

We last wrote about the Lexus GS one year ago to editorialize about the rumored death of the luxury brand's sports sedan. Now, Dutch outlet AutoRAI claims to have gotten confirmation from Lexus Europe that the automaker stopped taking orders for the GS in March, and will cease production of the Euro-spec model in April. In keeping with last year's speculation, AutoRAI reports the next-generation, front-wheel-drive ES will fill the role of the rear-wheel-drive GS there. What this means for the GS in the States? We sill don't know. But we do know that the ES moved 51,398 units here last year, compared to GS sales of 7,773. Those numbers represent double-digit declines compared to 2016, when the sold ES sold 51,398 units and the GS sold 14,878. In August 2017, spy photographers caught the 2019 ES testing with the Audi A6 and Mercedes-Benz E-Class, hinting the coming ES has grander aspirations than being a florid Toyota Avalon. That still wouldn't make the ES a pure replacement for a sporty rear-drive sedan, but are there enough GS buyers for Lexus to care? Last October, Car and Driver reported that Toyota's Gazoo Racing brand was working on a new GS F, but C/D couldn't tell if Gazoo meant a new model or the current one. Last June, Lexus Australia head Peter McGregor refuted the death of the GS. When asked if dealers were interested in both the ES and GS, McGregor responded, "I think what dealers like is a full line-up... that meets the market requirement in every key segment." Making clear that he couldn't speak on future product, McGregor also commented, "I think [a new GS] would still be a four-door sedan in terms of its application, but the exterior styling may appear to be more liftback." The third-gen GS struck a fastback profile, and you could see the new LS as a modern evolution of that old GS design. A member at the Lexus Enthusiast fan forum has found that the the next GS, internally codenamed 300B, still shows up in industry databases alongside the date "SOP [Start of Production] Q2 2019." Throwing money at an updated GS F wouldn't make sense for a doomed sedan. Could the GS reappear as a four-door coupe? Certainly, if for no other reason than that Lexus needs something to fill the slot between the $38,950 ES and the $75,000 LS.

Meet the Greenest and Meanest vehicles of 2016

If you've been keeping track, you won't be surprised with the number one entry in this year's list of greenest cars from the American Council for an Energy-Efficient Economy (ACEEE). In fact, the top three spots on the 2016 list are all the same as they were in 2015. After that, things get interesting. For one thing, this is the first Greenest list that doesn't have any purely internal combustion engine powertrain on it. Hybrids, yes, but if you want to be one of the top 12 greenest cars this year, you'd better have some sort of electric angle. ACEEE says that the conventional, gas-powered Smart Fortwo and Chevrolet Spark just missed the cut. In a statement, ACEEE lead vehicle analyst Shruti Vaidyanathan said, "The 2016 scores are in, and plug-in electric vehicles are outpacing all other vehicle offerings in terms of environmental friendliness." Like last year, one of the noticeable vehicles missing from the green list is the Tesla Model S. One reason? ACEEE takes curb weight into account (lighter is better), and the Model S is a heavy beast. The ACEEE doesn't just look at the clean side of the ledger. It also puts out a "meanest" list. These are the vehicles that pollute the most, not only from their tailpipes, but also any pollution created during the entire manufacturing process, from mining the raw materials to the energy used to produce the vehicle at the factory. The entire list, from greenest to meanest, is done using a "cradle to grave" analysis. You can see how the ACEEE determines its rankings here, explore the entire greenest cars site here, or click through our galleries to see which vehicles are extra green (above) or extra mean (below) this year. 12: Mercedes-Benz GL550 4MATIC View 12 Photos More Electric Cars than Ever on Greenest Vehicles List Electric Vehicles Nab 9 out of Top 12 Spots in ACEEE's Environmental Vehicle Rankings Washington, DC: Despite a tumultuous year for the automotive industry, manufacturers have continued to offer exciting technology options for a growing vehicle market. Today at greenercars.org, the American Council for an Energy-Efficient Economy (ACEEE) released its 19th annual comprehensive environmental ratings for vehicles. The following vehicles comprise the Greenest List for 2016: Greenest Score 1. Mercedes-Benz Smart ForTwo Electric Drive Convertible / Coupe 63 2. Chevrolet Spark EV 63 3. Fiat 500E 62 4. Toyota Prius Eco 61 5. Volkswagen E-Golf 61 6. Nissan Leaf S / Leaf SV 61 7. Kia Soul Electric 59 8.