Category Archives: Mobile Sources

CARB Launches Rulemaking for Heavy-Duty Engine Low NOx Standard

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On November 3, the California Air Resources Board (CARB) announced plans for a new low-nitrogen oxide (NOx) standard for heavy-duty engines sold in the state.  CARB intends to adopt the new NOx standard—of 0.02 grams per brake horse power-hour (g/bhp-hr)—in 2019.  This standard would apply beginning with 2023 model year engines sold in California.  CARB stated that this new rulemaking will combine amendments to: The heavy-duty engine NOx standards, including a low load certification cycle; The Not-to-Exceed in-use compliance program; The useful life and durability requirements [...]Read more

President Orders Tighter Fuel Standards for Trucks

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President Obama has issued an order to the U.S. EPA and the Department of Transportation (DOT) to develop tighter fuel economy standards for medium and heavy-duty trucks beyond model year 2018. The new standards must be finalized by March 2016, with the proposed standards developed by March 2015. Obama said the standards represent “another big step to grow our economy and reduce America’s dependence on foreign oil.” The White House plans to work with truck manufacturers and operators in developing the standards.

EPA’s New Strategic Plan Includes Focus on Emission Standards for Heavy Duty Vehicles and Off-Road Sources

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Last week, the Environmental Protection Agency (EPA) released a draft strategic plan entitled, “Draft FY 2014-2018 EPA Strategic Plan.” As part of EPA’s mission to protect human health and the environment the draft strategic plan has five strategic goals: Address climate change and improve air quality, Protect America’s waters, Clean up Communities and advance sustainable development, Ensure safety of chemicals and prevent pollution, and Protect human health and the environment by enforcing laws and assuring compliance. The draft plan also lists EPA’s core values as science, [...]Read more

Murkowski Amendment Defeated

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An amendment introduced by Sen. Murkowski that would have limited EPA’s authority to address GHGs under the Clean Air Act, and which we previously reported on, has been defeated.  Senate leaders reached an agreement yesterday to discuss a limited number of amendments to the bill and Sen. Murkowski’s was not one of them.  Under the agreement the Senator was allowed to speak for 30 minutes on her amendment.  While her amendment was not considered for this legislation, expect the Senator to bring it up for future legislation.  Following the floor debate of amendments, [...]Read more