A new minor version of GHGenius has been released, with two user interface improvements. Registered users can grab GHGenius 5.01a on the Downloads page.

The Reports page was recently updated with A Review of the Study “Determining the Environmental Impacts of Conventional and Alternatively Fuelled Vehicles Through LCA”.

A new major version update of the model is available. GHGenius 5.01 brings new pathways, new regions, updated data, and improved outputs and macros. The full changelog is available here.

Registered users can grab GHGenius 5.01 on the Downloads page.

Another bug fix model has been released. Featuring fixes to some hydrogen pathways and the sequestration sheet.

Registered users can grab GHGenius 5.0f on the Downloads page.

Another bug fix model has been released. Featuring small fixes to some ethanol and biodiesel pathways when using non-default inputs.

Registered users can grab GHGenius 5.0e on the Downloads page.

The carbon footprint of shale gas combusted in Europe was estimated from nine European shale gas plays as potential production regions. Greenhouse gas emission sources during shale gas production, such as fugitives from hydraulic fracturing or combustion emissions from horizontal drilling, were added to emissions occurring for conventional gas extraction. Greenhouse gas emissions are expressed as g CO2-equivalents per MJ delivered, and calculated for a kWh of electricity generated. Estimated total GHG emissions from the use of European shale gas for electricity production range from 0.42 to 0.75 g CO2-eq/kWh when the combustion in the power plant is included. This is within the range reported in the literature. The cumulative carbon footprints for a number of fossil electricity generation scenarios for Europe were also calculated. The results indicate an advantage of gas over other fossil sources in a wide range of scenarios. These results are only reversed with very high (10%) upstream losses for shale gas. With the current knowledge there is still a substantial climate benefit of replacing coal with (shale) gas even in the EU reference scenario.

The work was undertaken by TNO, the Netherlands Organisation for Applied Scientific Research with support from (S&T)2 Consultants Inc. It can be found online at Taylor & Francis Online.

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