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The rules will cut tailpipe emissions in half by 2055, and the EPA claimed that they would also help the average driver in the U.S. to save $6000 in fuel and maintenance costs over the life of ...
Catalytic converters have proven to be reliable and effective in reducing noxious tailpipe emissions. However, they also have some shortcomings in use, and also adverse environmental effects in production: An engine equipped with a three-way catalyst must run at the stoichiometric point, which means more fuel is consumed than in a lean-burn engine.
Furthermore, the op-ed critiqued California’s portrayal of particulate emissions, accusing it of speaking “as if their primary source” were the tailpipe. The authors referenced the Emission ...
The first legislated exhaust (tailpipe) emission standards were promulgated by the State of California for 1966 model year for cars sold in that state, followed by the United States as a whole in model year 1968. Also in 1966, the first emission test cycle was enacted in the State of California measuring tailpipe emissions in PPM (parts per ...
The Environmental Protection Agency in April 2023 proposed requiring a 56% reduction in new vehicle emissions by 2032. US to soften tailpipe rules, slow EV transition through 2030 Skip to main content
The mechanism by which exhaust emissions are controlled depends on the method of injection and the point at which air enters the exhaust system, and has varied during the course of the development of the technology. The first systems injected air very close to the engine, either in the cylinder head's exhaust ports or in the exhaust manifold.
The long tailpipe is an argument stating that usage of electric vehicles does not always result in fewer emissions (e.g. greenhouse gas emissions) compared to those from non-electric vehicles.
The EPA said the rules cut emissions by 49% by 2032 from 2026 levels and will reduce greenhouse-gas emissions by 7.2 billion metric tons through 2055. Republican Donald Trump has vowed to repeal ...