New Scientist: The price of oil has plummeted since June 2014 and last week fell to its lowest level for 11 years. Natural gas prices, which are linked to oil prices, have been falling too. And in many countries, such as the US, the cost of coal has been dropping for a while.
Many analysts think prices will remain low for some time, because supplies are plentiful while demand is falling due to China`s economic woes.
This prospect has been widely welcomed, because low fuel prices will cut the cost of a big...