Surprise White Rock on Mars
January 23, 2014 | NASA
While preparing to start robotic arm work on the target "Cape Elizabeth" on Sol 3541 (Jan. 8, 2014), Opportunity encountered a slight surprise -- a rock had appeared in the images that had not been there before. This target that has been named "Pinnacle Island" and its origin has been the target of much speculation.
The Most Energy-Intensive Industry
July 10, 2013 | Energy Information Administration
"The cement industry [...] is the most energy-intensive of all manufacturing industries, with a share of national energy use roughly 10 times its share of the nation's gross output of goods and services. On average, other energy intensive industries' share of energy use is roughly twice their share of gross output. Cement is also unique in its heavy reliance on coal and petroleum coke." Quoted from the Energy Information Administration article.
South Africa Energy Report
March 9, 2014 | Energy Information Administration
"South Africa has a large energy-intensive coal mining industry. The country has limited proved reserves of oil and natural gas and uses its large coal deposits to meet most of its energy needs. [...] South Africa also has a sophisticated synthetic fuels industry, producing gasoline and diesel fuels from coal-to-liquids and gas-to-liquids plants.