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In 2014, the EPA published its "Tier 3" standards for these vehicles, which tightened air pollution emission requirements and lowered the sulfur content in gasoline. [9] EPA has separate regulations for small engines, such as groundskeeping equipment.
Under the Clean Air Act, California can adopt more stringent vehicle emission requirements than the federal government, but must obtain a waiver from the EPA. U.S. EPA approves California rule ...
This rule would include revoking the last set of California waivers that the EPA had granted California in 2013 for its GHG and ZEV programs. California retained its ability to set emission standards that address ozone-formation under the rule. [44] [45] Subsequent to this rule, California led a collation of 23 states to sue the NHTSA in ...
The Truck and Bus Rule is considered by the Air Resources Board and other organizations such as the Union of Concerned Scientists and the Environmental Defense Fund as a win-win for the State of California: reducing global greenhouse gas emissions, reducing fuel use, providing fuel and operating cost-savings for truck owners, and reducing smog-forming pollution, in addition to providing human ...
"EPA’s final standards will significantly reduce emissions of harmful carbon pollution from existing coal-fired power plants, which continue to be the largest source of greenhouse gas emissions ...
That means the far-reaching regulations issued by the California Air Resources Board in 2022 to ban new diesel truck sales by 2036 and force fleet owners to take them off the road by 2042 won't be ...
In response to this, some jurisdictions, notably the US state of California, have imposed increasingly strict emissions regulations for small engines. In 2021, California effectively banned the sale of small engines used in garden equipment from January 1, 2024. [19] The major alternative to small engines is the use of electric motors powered ...
Between coal and gas plants, the EPA's new regulations are projected to eliminate 1.38 billion metric tons of carbon pollution through 2047, the same as preventing the annual emissions of 328 ...