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Are Toyota and Lexus planning to use Mazda's straight-six and new platform?

Japan's Best Car magazine has what appears to be a whopper of a rumor. The mag said it scooped Mazda's development of a straight-six engine that Mazda only revealed in March, the carmaker having buried the information in a financial statement. By way of Lexus Enthusiast and according to Google translate, Best Car writes that as it was speaking to a Toyota source on an unrelated matter, the magazine found out that Mazda's work on the straight-six was predicated on the engine's use in Toyota Group vehicles, which includes Lexus. Here's the account of how the engine and Mazda's coming front-engined rear-drive platform, dubbed "Large Architecture," will make their way to Toyota City: The first appearance for the straight-six, predicted to come in at a hair under 3.0 liters, is the Mazda Atenza/Mazda6 successor coming around 2022. The powertrain will get a 48-volt hybrid system for increased fuel economy, and the automaker's said to be considering a plug-in hybrid version. Toyota's first shot at the platform and the straight-six will be whatever fills the slot of the Japanese-market Mark-X sedan. We once had a version of the Mark-X in the U.S. as the Toyota Cressida. In Japan, it's sold as a rear- and all-wheel drive option to the Camry. The Mark-X is slated to end production in December this year — a "sporty four-door coupe" on Mazda's platform and with Mazda's engine eventually taking its place. Lexus has a number of plans for the components from Hiroshima. The next Lexus IS is said to evolve from the current sedan, using a Lexus V6 but migrating to Toyota's TNGA platform. Best Car says the IS after that, perhaps sometime around 2026, will hop onto Mazda's new platform and use the inline-six engine. Before that, the replacement for the Lexus RC in 2022 will sit on the Mazda platform and get that inline-six. What's more, Lexus will introduce a new model to slot between the $64,750 RC and the $92,950 LC employing Mazda's architecture and engine. Best Car says the model will act as a "next car" for RC owners, but we can't tell if the magazine means a two-door or a four-door coupe; the article also says the Lexus model will compete with the Audi A7. Toyota and Mazda partnered up in 2016 on technology sharing. Best Car's take is that, as was done on the Supra, Toyota is picking up all the tech it can from suitable sources so that it can continue to sell models that don't make sense to develop alone.

Toyota promises a next-generation Land Cruiser is on its way

On sale since the 2008 model year and facelifted twice in the interim, the Toyota Land Cruiser has lately begun rolling out the special editions. Last year we got the 2019 Lexus LX Inspiration, this year we got the 2020 Land Cruiser Heritage Edition. This likely means a changing of the model guard is close, the 300-Series Land Cruiser on the horizon to replace the current 200-Series. When Motor Authority asked Toyota SVP Bill Fay about the U.S. getting the next generation, Fay replied, "We are fully committed to the Land Cruiser for the foreseeable future." The reason for the question could have been Land Cruiser sales figures for the past 14 years, when the model never cleared 5,000 units. The swankier Lexus LX sibling sells in greater numbers, but even lumping the two trucks, they've crested 10,000 sales just twice since 2005. On top of that, two of the largest regional markets for the Land Cruiser are Australia and the Middle East, which have different regulatory regimes, and the 2019 Highlander has a three-row option. Why carry on with the Land Cruiser here? Fay told MA the body-on-frame bruiser is a "heritage vehicle," a staple in the U.S. lineup since 1958. But the Cruiser that comes next is expected to LS-ify its powertrain formula, which means getting rid of V8s for V6s. The 5.7-liter V8 with 381 horsepower, 401 pound-feet of torque, and an EPA rating of 15 miles per gallon combined should go away. The 3.5-liter twin-turbo V6 in the Lexus LS 500 gets the nod to take its place, as the Land Cruiser make concessions to fuel economy and emissions standards. A poster on a forum said it's possible that a Dynamic Force version of that engine might appear. As is, that engine makes 416 hp and 442 lb-ft in the luxury sedan and is mated to a 10-speed automatic, the same transmission said to replace the current eight-speed in the Land Cruiser. Automotive mediums predict a hybrid Cruiser, too, potentially with the same 3.5-liter naturally aspirated V6 and 10-speed auto in the LS hybrid, putting out 354 combined horsepower in the sedan. Because there are so many Land Cruiser versions around the world, it's impossible to say whether V8 options will die globally. Land Cruiser fans, either through desperation or good intel, say that isn't the case.

The tumultuous history of the diesel engine

Volkswagen, diesel's most enthusiastic patron, deceived everyone about the amount of emissions its cars were putting out. We have covered this latest massive automotive scandal in great detail, and there are surely more fascinating revelations to come. It turns out that this is just the latest episode in the epic story of the controversy and intrigue surrounding the diesel engine, and its inventor. This is the story of the tumultuous birth and interesting evolution of the compression-ignition engine at the center of the VW scandal. Napoleon III Got Rudolf Diesel Deported Rudolf Diesel was born in Paris in 1858. His Bavarian parents had settled in France where his father, Theodor, was a leather goods manufacturer. When the French Parliament declared war on Prussia, kicking off the Franco-Prussian war, the Diesels fled to London. When he was 12, Rudolf went to live with his aunt and uncle in the Bavarian university town of Augsburg. It was his parents' hometown, and importantly, it's where Rudolf began studying at the Royal County Trade School. His time in Augsburg, graduating at the top of his class from trade school that laid the groundwork for all that was to come. Diesel Nearly Blew Himself Up An early career in refrigeration saw Diesel running R&D in Berlin for Linde, a company started by refrigeration pioneer Carl Von Linde, one of Diesel's professors. His ambition to branch out beyond refrigeration, and his deep understanding of thermodynamics, led to efficiency experiments with steam engines. Diesel was trying to create an engine that didn't waste heat from the combustion process, therefore getting the most work out of the fuel. Instead, he was nearly killed when an experimental ammonia vapor steam engine exploded. Recovery took many months, and during some of that time, he was no doubt planning his next experimental engine, based on the theoretical Carnot cycle. His Engine Was An Attempt To Stick It To The Man Steam engines were expensive to run and wasteful. Diesel thought the efficiency of his design would be a way for the small business to compete with the dominant industrial giants. It was, and it did, but big business is equally passionate about chasing efficiency. Diesel engines quickly proliferated in industries both grand and cottage. Rudolf Didn't Really Invent The Diesel As We Know It Instead, he improved an existing one to a significant degree. The Diesel engine could be considered an evolution of the "hot-bulb" engine.