Tag: GHG emissions

truck exhaust fumes

EPA Seeks Public Comment on Heavy-Duty Truck Emissions Proposals

In the second step taken under the Cleaner Trucks Initiative (CTI) it announced in November 2018, the EPA has released an advance notice of proposed rulemaking (ANPR) to solicit public comment on the outlines of proposed emissions standards for highway heavy-duty engines, which the Agency says it plans to issue in early 2020.

Emissions, Clean Air Act

Many Processes—But Few Solutions—for Industrial GHG Emissions

In 2017, industrial activity accounted for 22% of U.S. greenhouse gas (GHG) emissions, third behind transportation (29%) and electricity (28%). When adding indirect emissions from the off-site generation of electricity needed to power industrial facilities, the share increases to 29.7%.

RFS Has Only a Small Impact on GHG Emissions

For the second time in 3 years, the U.S. Government Accountability Office (GAO) has cast doubt on whether the federal Renewable Fuel Standard (RFS) is having any more than a negligible effect on U.S. emissions of greenhouse gases (GHGs).

Clean energy, green city, solar panels

Cities Take Action on Renewable Energy, Reduction of GHG Emissions

Hundreds of U.S. cities of all sizes are not waiting for the federal government to recommit to reducing greenhouse gas (GHG) emissions and regain its position as the world leader in stemming climate change. At an April 2, 2019, House hearing, the mayors of three of those cities told their stories of commitment to a […]

Environmental Protection Agency sign

Senators Look for Answers on Methane Proposal from EPA

Several federal lawmakers continue to press the EPA for information about the impact of its proposal (October 15, 2018, Federal Register (FR)) to weaken the Obama administration’s New Source Performance Standards (NSPS) governing air emissions from the oil and natural gas (O&G) sector (June 3, 2016, FR).

Transportation fuel oil gas

GHG Program in Oregon Found (Appropriately) Discriminatory

In a majority opinion, a panel of the U.S. Court of Appeals for the 9th Circuit found that Oregon state violated neither the dormant Interstate Commerce Clause nor a provision of the federal Clean Air Act (CAA) when it assigned a carbon intensity value to transportation fuels produced out of state and imported into Oregon, […]

Power plant

Massachusetts Supreme Court Affirms Power Sector GHG Regs

Shortly after the Trump EPA proposed to replace the Obama EPA’s Clean Power Plan with its more industry-friendly Affordable Clean Energy (ACE) rule, the Massachusetts Supreme Court went in the opposite direction by denying a petition to overturn a state regulation imposing a progressive cap on greenhouse gas (GHG) emissions for the power sector.