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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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Eaton and Tenneco partner to produce new, integrated exhaust thermal management system to meet coming lower NOx standards

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Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.

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Eaton leverages cylinder deactivation and exhaust thermal management technologies to reduce commercial vehicle emissions

Green Car Congress

New emissions regulations spearheaded by the California Air Resources Board (CARB), U.S. Environmental Protection Agency (EPA) and European Commission (EC) are slated for adoption in coming years. The next set of requirements, known as Euro VII for heavy-duty trucks, is targeted for the second part of the decade.

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UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

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A fleet average nonfuel nonexhaust VOC emission factor of 58 ± 39 mg veh –1 km –1 was calculated for the missing source, which is greater than the total of all VOCs emitted from vehicle exhausts and their associated evaporative fuel losses. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g.,

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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. Tier 4 line haul locomotives used for nationwide service typically range from 2,300 to more than 4,000 horsepower.

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EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

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Earlier this year, the US Environmental Protection Agency (EPA) received several petitions from state and local government agencies from across the country and other organizations to increase the stringency of the on-highway heavy-duty engine NO x emission standards from 0.2 —EPA memorandum in response to petitions.

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Cal/EPA Releases Fuels Guidance Document

Green Car Congress

The California Environmental Protection Agency (Cal/EPA) has coordinated the creation of a document that is intended as a starting point for potential fuel users, marketers and producers to better identify the regulations and requirements affecting their fuels. Urea (diesel exhaust fluid). Version 1.0

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