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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 CH 4 emissions represented 8.8%

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Why Schools Should Electrify Their Bus Fleets

Blink Charging

Numerous studies compiled by the Environmental Defense Fund show that in addition to harming the community, diesel school buses also “self-pollute” with emissions entering the bus cabin, to the point that “ the interior cabin of a diesel bus is five times higher ” than outside the bus.

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New Comprehensive Lifecycle Energy and Emissions Inventory Includes Non-Operational Components; Large Aircraft Can Perform Better than Light Rail

Green Car Congress

Energy consumption and GHG emissions per PKT (passenger kilometer travelled). Inventorying criteria air pollutants showed that vehicle non-operational components often dominate total emissions. Life-cycle criteria air pollutant emissions are between 1.1 The vehicle operation components are shown with gray patterns.

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