Does Coal Have a Future?
The History of Coal as a Fuel and its Prospects in the 21st Century Of all the types of hydrocarbons, coal has been in use the longest. China is known to have extracted coal as early as the 4 th century B.C. Unlike oil, ... ... uncertain, with most western countries trying to lay the foundations for an emissions-free energy future and thus giving up the fuel. The developing world cannot afford to adopt... ... 3–4 per cent over the past 20 years). Coal is one of the major air pollutants in the European Union. It is no coincidence that almost all the most polluted cities in Europe...
22.05.2018