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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.

Feds allege widespread Volkswagen cheating on clean-air rules

Volkswagen intentionally installed software in nearly a half-million diesel vehicles that helped the cars evade substandard results on emissions tests, the federal government charged Friday. The Environmental Protection Agency issued a notice of violation to the German automaker, saying the company's software broke the law by violating two provisions in the Clean Air Act. Circumventing the standards meant affected cars emitted as much as 40 times the allowable level of certain pollutants. Both the EPA and California Air Resources Board have launched investigations. In its notice of violations, the EPA said Volkswagen officials admitted to installing and concealing what they call a "defeat device," which was designed to detect when the cars were undergoing official emissions tests – and only turn on emissions controls during that time. "Our goal now is to ensure that the affected cars are brought into compliance, to dig more deeply into the extent and implications of Volkswagen's efforts to cheat on clean air rules, and to take appropriate further action," said Richard Corey, executive officer of CARB. The allegations cover approximately 482,000 vehicles sold in the United States over the past seven years. Cars involved include diesel versions of the Jetta, Beetle, Audi A3 and Golf manufactured between the 2009 and 2015 model years. Passats manufactured for the 2014 and 2015 model years are also included. Federal officials note there is no safety danger to motorists, but the cars will be recalled for repairs. If true, Volkswagen faces a fine that could run in the hundreds of millions of dollars -- likely higher than the $300 million charge the EPA levied last November at Hyundai and Kia for exaggerating the fuel-economy in several models. The charges also put a tremendous dent into the company's plans to increase sales of its "Clean Diesel" vehicles in North America. In a written statement, Volkswagen Group of America acknowledged it had received the notices from the EPA and CARB. "VW is cooperating with the investigation; we are unable to comment further at this time," it said. Federal officials said the defeat-device software was uncovered during an independent analysis by researchers at West Virginia University, who in working with the International Council on Clean Transportation, a non-governmental organization, raised questions about emissions levels.

Volkswagen Jetta getting new 1.4L turbo four

In yet another example of engine downsizing, Volkswagen has announced it is slotting a new 1.4-liter turbo four into the Jetta. The smaller, forced-induction engine will replace the naturally aspirated 2.0-liter four in the Jetta S and the 1.8-liter turbo four in the Jetta SE, bringing with it direct injection and improved fuel economy. The 1.4-liter turbocharged four-cylinder engine is from the EA211 family. It's made of aluminum and features a compact single-scroll compressor, an intercooler integrated into the injection-molded induction pipe, exhaust manifold integrated into the head, variable intake and exhaust valve timing, direct fuel injection, dual overhead cams driven by a toothed belt, and a 10.0:1 compression ratio. All that adds up to 150 horsepower and 184 pound-feet of torque, mated in the Jetta to either a five-speed manual or six-speed automatic transmission. Fuel economy figures have yet to be certified, but are projected to come in at around 39 miles per gallon on the highway with the automatic, representing 13- and 7-percent improvements over the units it replaces. The EA211 is Volkswagen's new global small gasoline engine family, manufactured principally by Skoda in the Czech Republic. It's set to replace the old EA111 series, offering higher efficiency in a more compact and adaptable package. The Jetta Hybrid already uses essentially the same engine paired with an electric motor, and is being adapted to three-cylinder formats as well. INTRODUCTION OF NEW 1.4T ENGINE REINFORCES VOLKSWAGEN'S LEADERSHIP IN TURBOCHARGED, DIRECT INJECTION TECHNOLOGY Aug 4, 2015 Fitment of EA211 engine in Jetta models extends implementation of intelligent downsizing to 97 percent of Volkswagen vehicles sold in the U.S. market Traverse City, MI — Volkswagen pioneered the use of small displacement; highly efficient turbocharged and direct-injection engines in the U.S. Volkswagen first used this combination of turbocharging and direct injection in this market in its TDI® Clean Diesel engines in the Passat in 1996 and extended it into the gasoline field in the 2006 Jetta GLI and GTI models. Since then, the Volkswagen EA888 four-cylinder engine has set the benchmark for small-displacement turbocharged engines, beginning with the 2009 CC, while the EA288 TDI has set the standard for diesel engines in the North American market since it first appeared in the 2009 Jetta TDI Clean Diesel.