Tag Archives: transport

New Renewable Energy Targets for Scotland

The Scottish Government recently launched a consultation on a revised energy strategy. The existing policy is to produce the equivalent of 100% of our electricity from renewable sources by 2020. The new policy is to produce the equivalent of 50% of all energy consumed from renewable sources by 2030 – in 13 years time. Electricity currently represents 22% of energy consumption and we are now at 59% renewables, suggesting that 13% of all energy currently comes from renewable sources. The new plan calls for renewable output to increase approximately 4 fold. It is also planned that our two nuclear power stations will close in this time frame. Continue reading

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The causes of the recent decrease in US greenhouse gas emissions

Since their peak in 2007 GHG emissions in the USA have decreased more in absolute terms than in any other country. The results of this review suggest that approximately 40% of this decrease was caused by the replacement of coal with gas in generating plants, 30% by improvements in the efficiency of internal combustion engines and 30% by growth in low-carbon renewables. Another major contributor was the 2008-9 global recession, although its impact can’t reliably be quantified. Had economic growth continued at historic rates between 2007 and the present US GHG emissions would now be substantially higher than they are. Continue reading

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