fule fossile is the most used energy source
solar energy
solar energy
fossil fuels can be used as an energy source to power all vehicles and most machinery
Wind energy is the most commonly used alternative energy source in Texas. 79% of all renewable energy generated in Texas in 2006 was wind energy.
Hydropower
yes
Coal is the most widely used source of non-renewable energy.
nonrenewable source
how this energy source of the sun is used The sun has energy already stored in it and it basically it lets it go; don't forget solar panels too!
Oil
As a source of energy.
Coal is the most used source for electricity in the US. World wide, other countries, I don't know.