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Volkswagen pushed back against Takata airbag recall

Volkswagen and Audi will recall about 850,000 vehicles in the US to replace their Takata-supplied driver side airbag inflators, but the automaker doesn't believe the safety campaign is entirely necessary. In a letter to the National Highway Traffic Safety Administration, the company pushes the agency to re-evaluate the recall's scope because the parts are allegedly safe, it claims. VW asserted in the letter, which NHTSA posted online (as a PDF) with other documents about the company's safety campaign, that the vast majority of the automaker's recalled vehicles used Takata inflators from the supplier's factory in Freiburg, Germany. Only the US-built Passat had components from Takata's plant in Mexico. VW's argues to NHTSA that its recall is unnecessary because there are no reported airbag ruptures in the German-made parts, and the plant has better quality control than Takata's factories in the US and Mexico. In addition, the Mexico-manufactured components in the Passat are also allegedly safe because they come from a time after significant upgrades to the plant to address humidity and welding concerns. "We do not believe the facts known to date support the scope as defined in the Takata defect notification," VW's letter says. To be clear, VW is not refusing the Takata recall and plans to fix the affected vehicles. Instead, this letter shows the automaker expressing an opinion that NHTSA's scope for the campaign is too broad. VW now plans to do its own analysis on the inflators to strengthen that case, according to The Detroit News. "We respectfully request that, should such results be shown, the agency work with Volkswagen and other manufacturers to revisit the scope of these recalls," the letter said. Takata's recalled inflators use ammonium nitrate as a propellant, and experts believe that long-term exposure to high humidity can make the chemical more likely to cause a rupture during airbag deployment. The spray of metal shrapnel from the exploding parts has links to at least 10 deaths. Related Video:

VW budget sub-brand stuck in limbo over VW standards, costs

Reports in October 2012 claimed Volkswagen had begun investigating the creation of its own budget brand. This came after having failed to purchase Malaysian car company Proton or produce a meaningful partnership with Suzuki, and after watching Renault-Nissan make piles of euro on Dacia and plot the return of Datsun. For VW, more important than the question of what to call it was how to build it profitably and in a way that didn't damage the VW brand. According to a report in Autocar, a satisfactory answer still hasn't been found. The hurdle is how to hit "'necessary' quality and safety levels" at the price points needed to make the venture worthwhile. At the time of the 2012 report, German outlet Der Spiegel said VW was trying to get prices down to 6,000 to 8,000 euro ($7,784 to $10,379 US), about two thousand to four thousand euro under the price of the VW Up and in line with the cost of a 6,790-euro Dacia Sandero in Germany. In March 2013, VW announced, "We want to bring a true budget car to the market in China in the foreseeable future," the most concrete move in that direction after years of planning to make a decision. Working with local Chinese maker FAW, it was predicted that the vehicle in question would appear around 2016, but as of November last year a final vote on it needed to wait until this year because "We are still working on the cost side" and profit possibilities for a car that "has to be durable, it has to be precise, it has to be safe." Even Fiat, another automaker long considering a budget brand beneath its Fiat line-up, wasn't sure how to squeeze any extra money from lower-cost products but was sure that it couldn't be done by manufacturing in Europe. If VW hasn't yet made the math work with a joint venture in China, it will be interesting to see how it might build a European go-it-alone business 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.