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EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Green Car Congress

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. CARB has asked EPA for additional time before the Agency acts on the waiver request for this regulation.

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EPA proposes strengthening primary annual NAAQS for PM2.5

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The US Environmental Protection Agency (EPA) announced a proposal to to revise the primary (health-based) annual PM 2.5 standard from its current level of 12.0 EPA is taking comment on the full range (between 8 and 11 10 µg/m 3 ) included in the Clean Air Scientific Advisory Committee’s (CASAC) latest report. standards; and.

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EPA to develop options to reduce NOx and PM from locomotives further

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The US Environmental Protection Agency (EPA) is responding to petitions from the California Air Resources Board, the San Joaquin Valley Air Pollution Control District, and the California Air Pollution Control Officers Association to address harmful nitrogen oxide (NO x ) and particulate matter (PM) emissions from locomotives.

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EPA launches Cleaner Trucks Initiative to update NOx standards for heavy-duty trucks

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The US Environmental Protection Agency (EPA) has launched the Cleaner Trucks Initiative (CTI) to further decrease NO x emissions from on-highway heavy-duty trucks and engines. The US has made major reductions in NO x emissions, but it’s been nearly 20 years since EPA updated these standards.

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Fisker Ocean Extreme achieves EPA range of 360 miles; longest of any new electric SUV under $200k

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Fisker announced that as of 31 May, the all-electric Fisker Ocean Extreme (starting price $68,999) has an Environmental Protection Agency-estimated total range of 360 miles on standard 20" wheels and tires, exceeding Fisker’s previous estimates. The Fisker Ocean Extreme has been certified by European authorities for sale in Europe.

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EPA finalizes Tier 3 fuel and emissions standards

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The US Environmental Protection Agency (EPA) finalized its Tier 3 emission standards for gasoline sulfur content; evaporative emissions; and tailpipe emissions from passenger cars, light-duty trucks, medium-duty passenger vehicles, and some heavy-duty vehicles. EPA had issued the proposed standards last March.

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California ARB petitions US EPA for “Tier 5” stricter locomotive emissions standards

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In an effort to accelerate the movement to zero- or near-zero emission locomotives, the California Air Resources Board (ARB) has petitioned the US EPA take action to adopt more stringent emission standards for locomotives. Top: Existing federal standards. Bottom: ARB’s proposed Tier 5 standard. Source: ARB.

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