Fuel Economy Ratings

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it has revised procedures for a critical component of automotive fuel economy testing that will likely impact the fuel economy ratings of future General Motors vehicles. The updates cover the way in which automakers should calculate road load values The Environmental Protection Agency has issued new guidelines to automakers for conducting fuel economy testing. The move comes after a number of automakers had to restate miles-per-gallon (mpg) ratings for some of their popular vehicles. Like Us on The most interesting points reported by the University of Michigan researchers are distributional: In 2008, 22.2% of new light vehicles had fuel economy ratings lower than 16 mpg; that total dropped to just 3.2% in 2014 In 2008, only 1.3% of new vehicles Ford, Hyundai, Mercedes, BMW and others have also been ordered to downgrade their fuel economy ratings on certain models, an embarrassing move that can potentially cost sales. So yesterday, the EPA announced they're tightening the guidelines for testing Those values are used to program dynamometers the automakers use to calculate fuel economy ratings using the EPA’s test cycle. The update clarifies how automakers should prep vehicles for coast down testing and updates the test to monitor road load Those same values are then used to program dynamometers the companies use to compute fuel economy ratings using the traditional EPA test cycle. Chris Grundler, director of the EPA’s Office of Transportation Air Quality, said the new tweaks should lift .

Most provide accurate data, the newspaper reported. Automakers that exaggerate their fuel economy ratings face penalties. The EPA recently fined Hyundai and its sister company Kia under the Clean Air Act some $300 million for overstating its mileage results. These guidelines cover vehicle preparation for the fuel-economy testing such as tire wear levels and breaking in a new car beforehand. They also cover the impact of aerodynamic drag and tire rolling resistance on a car’s fuel economy. "Without question UMTRI researchers Brandon Schoettle and Michael Sivak have been monitoring the fuel economy in new vehicle sales since October of 2007. The figure is based on ratings published in the Environmental Protection Agency's "Fuel Economy Guide" and monthly sales Law360, New York (February 24, 2015, 6:53 PM ET) -- The U.S. Environmental Protection Agency on Monday issued a new set of guidelines to automakers over fuel economy testing, tightening up guidance issued more than 10 years ago. Vehicle manufacturers .

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Fuel Consumption (Average)7.8 l/100km Safety RatingN/a

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