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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.

Consumer Reports says Ram 1500 tops fuel economy fight [w/video]

Consumer Reports takes its independent vehicle testing procedures seriously. In an era when we have to question the EPA's official ratings thanks to recent re-evaluations from Ford and Hyundai, an independent voice is important. So, when CR says something is the best, it's worth paying attention to. The Ram 1500 EcoDiesel has "about the same fuel-economy numbers that we typically see in a midsized SUV." – Jake Fisher In this case, CR took a look at the fuel economy of the 2014 Ram 1500 EcoDiesel and found that it came out on top of the fullsize pickup truck pack. The Ram did so with 20 miles per gallon overall and 27 mpg on the highway. CR gave the truck a total road test score of 82. The EPA says that the EcoDiesel 1500 gets 28 mpg on the highway, 20 mpg city and 23 mpg combined. Comparing official EPA numbers, the Ram is also the best among trucks in its class. It's nice when people agree on something. As we know from first-hand, long-distance experience, you can push the 1500 EcoDiesel to 38 mpg. CR found in its own testing that the truck had, "about the same fuel-economy numbers that we typically see in a midsized SUV," said Jake Fisher, CR's director of automotive testing, in a statement. Speaking of midsized SUVs, CR also announced this week that the new Toyota Highlander Hybrid got the top spot in CR's ratings in that category. CR liked pretty much everything about the SUV, saying that the "transitions between electric power and the gas engine are seamless" and that, "the new Highlander also handles better, with a steadier ride and reduced body lean in corners." You can find more at the CR website, in the October print issue of Consumer Reports or in the video and press release below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. RAM ECODIESEL 1500 TOPS CONSUMER REPORTS FULL-SIZE PICKUP TRUCK RATINGS Redesigned Toyota Highlander Hybrid Climbs to Top of Midsized SUV List Yonkers, N.Y.- The Ram 1500 EcoDiesel climbed to the top of Consumer Reports' full-size pickup truck ratings with an impressive performance in the organization's fuel economy tests. The EcoDiesel (82 point overall road test score) turned in a best-in-class fuel economy of 20 mpg overall and 27 mpg on the highway, to help it score better than the previously tested Ram 1500 V8 (81) regular gas version and Chevrolet Silverado 1500 LT (80).

2016 Toyota Avalon gets revised equipment, sportier styling

Toyota has been known to make some sporty models. We're not sure we'd count the Avalon as one of them, but while that's not what the Japanese automaker's largest sedan is about, it has gotten a bit more aggressive – at least in the styling department – over successive generations. The current model introduced just a few years ago took things in a decidedly sportier direction, and the updated model revealed here for the 2016 model year takes it a step further. Debuting today at the Chicago Auto Show, the 2016 Toyota Avalon is an evolution of the model we already know. It features revised styling that's just a touch sportier than the model it replaces, and comes packed with updated equipment. As you can see, the reshaped lower grille gives it an incrementally more planted look, flanked by turning indicators to replace the outgoing model's foglamps. Around back are new LED taillights and a chrome bumper accent, and inside, the cabin has been retrimmed with gray accent stitching on the light gray upholstery. The new Avalon will be offered in five trim levels – XLE, XLE Plus, XLE Premium, Limited and Touring – powered by a conventional V6 engine, with Hybrid models dropping the lowest and highest of those trims. The two base models also get new 17-inch alloys, seven-inch dashboard display, new interior trim and tire pressure monitoring system. The XLE Premium gets an upgraded infotainment system with wireless charging, the Limited model gets 18-inch alloys (17 on the hybrid), automatic high beams and added safety systems, while the top-of-the-line Avalon Touring upgrades with larger 18-inch wheels and a revised front fascia as well as LED head- and daytime running lights. The revised Avalon debuts in Chicago alongside the Special Edition models of the Corolla and Camry. FIRST LOOK IN THE "SECOND CITY:" THE REFRESHED 2016 TOYOTA AVALON PREMIUM MID-SIZE SEDAN - Updated Styling - New LED Headlights and Taillights - Retuned Suspension for Enhanced Comfort - Upgraded Convenience Features - 2016 Camry and Corolla Special Editions Also Unveiled CHICAGO, Feb. 12, 2015 - - Call it a trio of firsts in the Second City as the refreshed Toyota Avalon and sporty Camry and Corolla Special Editions made their world debuts at the 2015 Chicago Auto Show. The three models rode into Chicago with a head of steam as the Avalon, Camry and Corolla are each the sales leaders in their respective segments, a first for Toyota.