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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. Tg CO 2 eq) in 2011.

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Why Electric Buses Are the Healthy School Choice

Blink Charging

Vehicle fleets across the United States are transitioning from internal combustion engine (ICE) to electric vehicles, and that includes school bus fleets. Many school districts use diesel buses for fuel efficiency, but even diesel exhaust was classified as a known carcinogen to humans in 2012.

Fleet 60
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MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

Source of data: US EPA (2019). NO x is a precursor for both ground level ozone and secondary PM 2.5 EPA is targeting implementation in the 2027 timeframe while CARB is focusing efforts on phasing in more stringent standards in 2024 and again in 2027 with the hope of aligning with EPA as a national standard. Chart: MECA.

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National Academies release third review of the 21st Century Truck Partnership

Green Car Congress

The four SuperTruck projects jointly funded by DOE and the private sector are impressive projects that integrate a wide variety of engine and vehicle technologies to significantly reduce the fuel consumption of Class 8 tractor-trailer vehicles, which consume the greatest part of the fuel used in the United States for heavy vehicles.

MPG 150
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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

Use of Hydrous Ethanol in the United States. Hydrous ethanol has been used in the United States as a transportation fuel for at least one hundred years. Current Legal Requirement for Use of Anhydrous Ethanol in the United States. In February, 2009, the US EPA granted Renergie, Inc. 40 CFR § 80.27