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Detecting emissions tests is problematic from the perspective of emissions legislation, because it may enable the use of defeat devices that activate, modulate, delay, or deactivate emissions control systems with the purpose of either enhancing the effectiveness of these systems during emissions testing or reducing the effectiveness of these ...
Engine manufacturer Cummins Inc. has agreed to pay a $1.675 billion penalty for allegedly installing "defeat devices" on approximately 1 million pickup trucks to cheat emissions tests.
On 10 October 2015, Consumer Reports tested a 2015 Jetta TDI and a 2011 Jetta Sportwagen TDI in what they presumed was the special emissions testing, or cheat mode. The 0 to 60 mph (0 to 97 km/h) acceleration time of the 2011 Jetta increased from 9.9 to 10.5 seconds, and the 2015 car's time went from 9.1 to 9.2 seconds.
The EPA discovered this during their expanded vehicle tests following the Volkswagen case. FCA was not accused of intentionally cheating on emissions testing, though the EPA did accuse the company of failing to notify the government of the defeat device programming. The US Justice Department was assisting the EPA in their investigation ...
The Environmental Protection Agency has just notified Fiat Chrysler Automobiles (FCA) that the carmaker has violated the Clean Air Act, alleging that it installed software in some of its diesel ...
Indiana-based engine-maker Cummins Inc. on Friday morning agreed in principle to pay roughly $1.7 billion for allegedly installing emissions defeat devices on hundreds of thousands of engines over ...
The software detects when the cars were being subject to emissions testing, and then fully enables the ECU emission controls to successfully pass. [ 7 ] [ 8 ] However, during normal driving conditions, emission control software was shut off in order to attain greater fuel economy and additional power, resulting in as much as 40 times more ...
Basically, the HDIUT is an industry agreed to manufacturer run, in-use, on-road testing program. It builds upon the original NTE standard. It is designed to focus on compliance in the real world, and relies on emissions testing, utilizing Portable Emissions Measurement Systems (PEMS) with NOx, HC, CO and PM being the pollutants to be measured. [11]