Yes, fossil fuels are hard because it's prices are increasing doubt if it clean or not because its popular uses and it's running out
"economical" has no comparative or superlative form. You would say "more economical" or "most economical."
They have a fair economical condition, or they have a hard economical condition. It's missing an adjective for the noun 'economical.' When "economical" is used as a preposition it is correct to say : They have an economical condition, with the meaning of profitable.
Women would cook, clean, and keep the house in order. :D
Lack of clean water
lack of clean water
Yes, clean coal is a political issue. It involves debates over the feasibility and economic impact of carbon capture and storage technologies, as well as government policies and regulations regarding coal-fired power plants and their environmental impact. Policymakers often have differing views on the role of clean coal in addressing climate change and energy security.
Some disadvantages of clean coal is that it pollutes the air.
Depends entirely on the cost of the available energy source and the invested cost in the power plant. Most of our domestic energy in US is produced by Coal. Regulations to make coal more environmentally clean will drive up the cost.
Coal that has become diamond.
It is very important to use clean coal technology. The pollutants from burning coal causes health problems as well as environmental problems. The clean coal technology cuts back on these pollutants and provides a cheap form of energy.
oxygen
Bruce G. Miller has written: 'Clean coal engineering technology' -- subject(s): Clean coal technologies, Environmental aspects, Coal-fired power plants, Coal-fired furnaces, Coal
Biofuels are becoming the newest substitute for fossil fuels; but the BTU factor of coal makes it more economical for factory and industry use.
clean coal is not renewable
Water vapor
i think its an important issue, but not in the recent economical times in the U.S.
You don't. But coal is an economical fuel. One method of producing electricity on a commercial scale is with steam. Coal provides an inexpensive source of heat to heat water to steam, which is directed through turbines which in turn drive generators. You can do the same thing with falling water (without the steam) if you have a large enough waterfall, or you can use a different heat source like natural gas or atomic energy. Coal is sometimes more economical.