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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.

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Coltura: Supreme Court precedent means states can require all new vehicles sold be electric

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Metz and Janelle London finds that state vehicle electrification mandates can withstand legal challenges based on federal preemption if they are based solely on reasons for transitioning to electric vehicles that are within the state's authority. This is how our federal system should work, with states as laboratories of democracy.

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Euro Parliament Environment Committee votes for tightened air pollution targets

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The Environment Committee (ENVI) of the European Parliament tightened up a European Commission proposal and called for more ambitious national caps on emissions of six main pollutants in order to cut emissions by 70% across the EU and save €40 billion (US$44 billion) in air pollution costs by 2030. Background.

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Nations agree on global, legally binding treaty on mercury emissions: Minamata Convention on Mercury

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At the conclusion of the International Negotiating Committee on Mercury ( INC5 ) meeting in Geneva ( earlier post ), nations agreed on a global, legally-binding treaty to prevent mercury emissions and releases. Governments have agreed on a range of mercury containing products whose production, export and import will be banned by 2020.

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WLTP and RDE tests for measuring emissions come into force in EU tomorrow

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The new laboratory test, the Worldwide Harmonized Light Vehicle Test Procedure ( WLTP ), will introduce more realistic testing conditions for measuring pollutant and CO 2 emissions than the previous, outdated lab test (NEDC). However, GTRs require incorporation into national or regional legal frameworks before they can be applied.

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NOx emissions exceeded limits in 12 European countries in 2010

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Air pollution emitted from sources such as traffic, industry and households is still above internationally agreed limits in 12 European countries, according to newly published data. These pollutants are harmful to both people and the environment, causing respiratory illnesses, acidifying soil and surface water, and damaging vegetation.

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California ARB approves ACC II rule; 100% of LDVs to be PHEVS, ZEV by 2035; LEV IV emissions requirements

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ACC II establishes the next set of LEV criteria and ZEV requirements to reduce emissions of criteria air pollutants (including precursors) and GHGs from light- and medium-duty vehicles in California further. Many states and nations have set targets and goals to phase out the sale of internal combustion cars.

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