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

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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.

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Scania unveils new heavy-duty global engine platform

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Scania unveiled its new global engine platform that will be used worldwide for all emission standards: Euro 3, Euro 4, Euro 5, EEV and Euro 6. All inline engines are based on the latest platform introduced in 2007 with technologies to meet Euro 5 and Euro 6 emission requirements, as well as Euro 4 and Euro 3. Emission technology.

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Satellite altimeter data study finds global ship traffic up 4x over past 20 years

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Maritime traffic on the world’s oceans has increased four-fold over the past 20 years, likely causing more water, air and noise pollution on the open seas, according to a new study quantifying global ship traffic. Ships powered by fossil fuels dump oil, fuel and waste into the water and pump exhaust into the air.

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Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

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Controlling soot from fossil fuels and solid biofuels may be a faster method of reducing Arctic ice loss and global warming than other options, including controlling CH 4 or CO 2 , although all controls are needed, according to a new study by Dr. Mark Z. Particle traps filter out soot particles from exhaust fumes. Mark Jacobson.

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ULEMCo delivers first hydrogen-diesel dual-fuel refuse trucks to Fife Council in Scotland

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Levenmouth Community Energy Project aims to position Fife as a global leader in clean energy. Revolve was originally stablished as Roush Technologies Limited in the UK in 1995; the business was acquired from its US parent, Roush Industries, by an investor group in 2007 and rebranded as Revolve Technologies Limited. million (US$6.2

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ARB researchers evaluate in-use heavy-duty NOx aftertreatment systems, find elevated levels during certain lower-temperature operations

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One of the trucks was equipped with exhaust gas recirculation (EGR); three were equipped with EGR and a selective catalytic reduction (SCR) device. EGR reduces NO x formation by introducing cooled exhaust gases into the combustion chamber. EGR reduces NO x formation by introducing cooled exhaust gases into the combustion chamber.

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Faurecia takes 21.2% stake in Amminex A/S; focus on ASDS gaseous SCR system for NOx reduction

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Global emissions-control company Faurecia will become a strategic shareholder of Amminex A/S—the Danish developer of the Ammonia Storage and Delivery System (ASDS) ( earlier post )—by taking a 21.2% Ammonia storage and delivery systems for NO x aftertreatment (DEER 2007 poster). Conceptual ASDS system. Click to enlarge.

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