We want to enter the age of renewables with sustainable sources of electricity supplying 80% of our power generation by 2050.
These sources supplied me with slender consolation.
In principle, a single source could supply many researchers' needs.
Thus, an ideal current source, if such a thing existed in reality, could supply unlimited power and so would represent an unlimited source of energy.
Domestic sources only supplied between 25 and 30 percent of the nation's timber needs.
"This source of helium should supply all our rocket needs for years to come!"
Domestic sources along with fields in Canada can supply almost all the nation's demand for natural gas.
This source supplied about 25% of the Allied needs.
Only this source of harnessed atomic power could supply the force necessary to drive an A-G ship.
The troops were ready to fight; the sources of supply supplied.
