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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.

Volkswagen Golf R Evo may debut at Beijing Motor Show

If a report in Auto Express is correct, a lighter, faster brother to the Volkswagen Golf R will be shown to the world at the Beijing Motor Show in April. Said to be called the Golf R Evo, the even harder hot hatch would be unveiled as one of those concepts that's practically a de facto presentation of the genuine thing. The Evo in its name will come from having a carbon fiber roof and CF in the bodywork, lighter wheels, thinner bucket seats up front and a roll cage instead of rear seats.
If there's a power increase, it's been described as "a small bump." However, as the report mentions, if the Jenny Craig regimen can drop 100 kilograms (220 pounds) from the the 3,247-pound weight of the European Golf R, then the Golf R Evo will do about the same damage on the scales as the Golf but have at least 50 more horsepower and 44 more pound-feet of torque.
Since we still don't have the current Golf, this isn't something that should keep you awake even if the 'concept' does become a production model. But it is good to know that the Golf R is really going to start pushing its boundaries.

Daimler says straight up it doesn't cheat on emissions tests

Distancing itself from VW and its diesel emissions scandal, Daimler has put out a statement saying that it has never installed devices on their vehicles that would artificially reduce emissions during a testing process. The company added that it "actively" supports European regulators' efforts to improve emissions-testing methods to better measure emissions during "real" driving conditions. BMW put out a similar statement last week, saying that its diesels are programmed to be tested properly. While Mercedes-Benz diesels were a fixture on US roads in past decades, the company's diesel sales are now concentrated overseas. "We categorically deny the accusation of manipulating emission tests regarding our vehicles," Daimler said in Friday's statement. "A defeat device, a function which illegitimately reduces emissions during testing, has never been and will never be used at Daimler." There's a reason for that sort of straightforward statement. Namely, heads continue to roll at VW after the automaker admitted it manipulated software in its diesel vehicles to pass US emissions testing. VW followed up by saying that as may as 11 million vehicles worldwide may contain that software and has set aside $7.3 billion to address the issue. VW CEO Martin Winterkorn stepped down as well. Take a look at Daimler's press release below. Daimler AG categorically denies any and all allegations of manipulation Stuttgart, Sep 25, 2015 In light of the ongoing assertions from the Deutsche Umwelthilfe (DUH), a non-government organisation, and the related speculation, Daimler AG once again clearly states that: We categorically deny the accusation of manipulating emission tests regarding our vehicles. A defeat device, a function which illegitimately reduces emissions during testing, has never been and will never be used at Daimler. This holds true for both diesel and petrol engines. Our engines meet and adhere to every legal requirement. In light of the written request by the DUH, which was sent to us this morning with a deadline to respond by 3:00 pm (CET), and the seven questions they posed, we can confirm that none of the allegations apply to our vehicles. The technical programming of our engines adheres to all legal requirements. We have no knowledge of measurements that indicate our vehicles did not meet legally required standards.