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The blue line shows how much NOx emissions were actually reduced in the RECLAIM program, while the pink one shows how many emission rights were available. It is evident that from 1994 to 1999, there were so many emission rights granted that there was little need to reduce emissions. In 2000, the system actually failed and emissions were too high.
The Volkswagen emissions scandal, sometimes known as Dieselgate [24] [25] or Emissionsgate, [26] [25] began in September 2015, when the United States Environmental Protection Agency (EPA) issued a notice of violation of the Clean Air Act to German automaker Volkswagen Group. [27]
OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
The term NO x represents several forms of nitrogen oxides such as NO (nitric oxide), NO 2 (nitrogen dioxide) and N 2 O (nitrous oxide, also known as laughing gas).In a gasoline engine, NO is the most common form of NO x at around 93%, while NO 2 is around 5% and the rest is N 2 O.
Largely because of the Country's reliance on coal, electricity generation accounted for 34% of U.S. GHG emissions in 2007, followed by transportation sources (28%) and other industrial sources (19%). In 2005, the United States emitted 18% of the world's total GHG emissions, making it the second largest emitter after China. [21]
1995 Cadillac Seville disengaged emissions controls whenever heat or air conditioning was on. In 1995, General Motors was ordered to recall 470,000 model year 1991 through 1995 Cadillacs and pay an $11 million fine for programming the car's electronic control unit (ECU) to enrich the fuel mixture any time the car's air conditioning or cabin heat was operating, since the EPA tests are conducted ...
The American flag stands against the backdrop of a smoggy Los Angeles in 1972. The California Smog Check Program is an attempt to reduce smog in California. The California Smog Check Program requires vehicles that were manufactured in 1976 or later to participate in the biennial (every two years) smog check program in participating counties. [1]
The 2009 Volkswagen Jetta Diesel Sedan was awarded Green Car of the Year.The award was rescinded in early October 2015. On 18 September 2015, the United States Environmental Protection Agency (EPA) said beginning in 2008 the car maker fraudulently installed engine control unit (ECU) software determined to be a "defeat device", in violation of the Clean Air Act, to circumvent environmental ...