Remove Climate Change Remove EPA Remove Gas Remove Resource
article thumbnail

EPA re-opens Mid-Term Evaluation Process for light-duty vehicle greenhouse gas standards 2022-2025

Green Car Congress

EPA Administrator Scott Pruitt and Department of Transportation Secretary Elaine Chao announced that EPA intends to reconsider its final determination issued on 12 January 2017 which recommended no change to the greenhouse gas standards for light duty vehicles for model years 2022- 2025. Earlier post.) Background.

EPA 150
article thumbnail

EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

Green Car Congress

In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 a global warming potential of 21. (The

2007 285
article thumbnail

Tighter EPA emissions rules for big trucks don’t mandate EVs

Baua Electric

The EPA last week announced stricter emissions standards for heavy-duty commercial vehicles, such as trucks and buses, for model years 2027 to 2032. By addressing greenhouse-gas emissions, these rules complement a December 2022 rule from the EPA that addresses smog- and soot-forming emissions from heavy-duty vehicles.

EPA 40
article thumbnail

In a US first, the oil and gas sector will pay fines for excess methane emissions

Baua Electric

Photo by Juan Mt on Pexels.com The US Environmental Protection Agency (EPA) will fine oil and gas companies for emitting excess methane – the first federal government tax ever on greenhouse gas emissions. That’s because methane is a climate “super pollutant” that’s more potent than carbon dioxide. Get started here. –

Oil 52
article thumbnail

Georgia Tech study projects potential mixed impacts of climate change policies on air quality

Green Car Congress

They used the EPA US 9-region national database (EPAUS9r) with the MARKet Allocation (MARKAL) energy system model to develop emissions scenarios and spectral nudging to downscale global climate to the regional scale over the US. lb/MWh for NO x —similar to that of new combined cycle natural gas power plants.

article thumbnail

UCR study finds ultra-low emission natural gas bus exceeds federal and state NOx standards; as low as 0.0007g/bhp-hr

Green Car Congress

A study by the University of California, Riverside College of Engineering Center for Environmental Research and Technology (CE-CERT) found that a Los Angeles County Metropolitan Transit Agency (Metro) bus equipped with an ultra-low emission natural gas engine performs significantly cleaner than its certification standards across all duty cycles.

Standards 199
article thumbnail

EPA grants waiver for California’s Advanced Clean Car Program

Green Car Congress

The US Environmental Protection Agency (EPA) has formally granted a California Air Resources Board (CARB) request for a waiver of preemption for its Advanced Clean Car (ACC) regulations. EPA also determined that the waiver includes the new “deemed to comply” regulation. Earlier post.) Background.

EPA 240