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  2. California Smog Check Program - Wikipedia

    en.wikipedia.org/wiki/California_Smog_Check_Program

    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]

  3. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    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.

  4. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    Emissions from all non-road engines are regulated by categories. [49] In the United States, the emission standards for non-road diesel engines are published in the US Code of Federal Regulations, Title 40, Part 89 (40 CFR Part 89). Tier 1–3 Standards were adopted in 1994 and was phased in between 1996 and 2000 for engines over 37 kW (50 hp ...

  5. California voted to ban new diesel trucks at ports. Why did L ...

    www.aol.com/news/california-voted-ban-diesel...

    While California waits for the EPA to act, more than 1,200 trucks have obtained new registrations to move cargo at the ports of Los Angeles and Long Beach this year; 90% run on diesel.

  6. Area codes 213, 323, and 738 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_213,_323,_and_738

    They are assigned in an overlay complex to a numbering plan area (NPA) that comprises, roughly, the area of downtown Los Angeles City, as well as several southeast Los Angeles County cities, such as Bell and Huntington Park. Area code 213 was one of the original North American area codes of 1947 and 323 was created in an area code split of 213 ...

  7. PSA HDi engine - Wikipedia

    en.wikipedia.org/wiki/PSA_HDi_engine

    The engines are assembled in production plants in the cities of Trémery and Douvrin for PSA in France, at the Ford Dagenham plant in the UK, and Volvo Engine Plant in Skövde Sweden when Volvo was still under Ford ownership. Half of the group's vehicles are fitted with an HDi diesel engine: in 2007 this amounted to approximately 1.8 million ...

  8. 'Pay as you go' express lane program removes toll evasion ...

    www.aol.com/news/pay-express-lane-program...

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  9. Diesel emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Diesel_emissions_scandal

    In January 2024, Toyota temporarily suspended shipments of over 10 vehicle models after discovering irregularities for certification tests for a number of its diesel engines. Production vehicles had used different electronic control units than those used during horsepower testing. The company stated it had sold about 84,000 vehicles with the ...